:root {
    --background: #08111f;
    --background-secondary: #0f172a;
    --surface: #111c2f;
    --surface-secondary: #18243a;
    --surface-hover: #1e2e49;

    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --accent: #8b5cf6;
    --cyan: #06b6d4;

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border: rgba(148, 163, 184, 0.17);
    --border-strong: rgba(96, 165, 250, 0.35);

    --shadow-small: 0 8px 24px rgba(0, 0, 0, 0.18);
    --shadow-large: 0 25px 70px rgba(0, 0, 0, 0.35);

    --sidebar-width: 270px;
    --topbar-height: 90px;

    --radius-small: 10px;
    --radius-medium: 16px;
    --radius-large: 24px;

    --transition-fast: 180ms ease;
    --transition-normal: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-theme {
    --background: #eef4ff;
    --background-secondary: #f8fafc;
    --surface: #ffffff;
    --surface-secondary: #f1f5f9;
    --surface-hover: #e8eef8;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    --border: rgba(15, 23, 42, 0.12);
    --border-strong: rgba(59, 130, 246, 0.35);

    --shadow-small: 0 8px 24px rgba(15, 23, 42, 0.08);
    --shadow-large: 0 25px 70px rgba(15, 23, 42, 0.12);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;

    background:
        radial-gradient(
            circle at top right,
            rgba(59, 130, 246, 0.12),
            transparent 35%
        ),
        var(--background);

    color: var(--text-primary);
    font-family: "Poppins", sans-serif;

    transition:
        background-color var(--transition-slow),
        color var(--transition-normal);
}

body,
.sidebar,
.topbar,
.module-card,
.feature-card,
.ai-status,
.modal-card,
.connection-badge,
.floating-card,
.footer {
    transition:
        background-color var(--transition-normal),
        border-color var(--transition-normal),
        color var(--transition-normal),
        box-shadow var(--transition-normal);
}

button,
a,
input,
textarea,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    border: none;
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;

    display: flex;
    width: var(--sidebar-width);
    flex-direction: column;

    padding: 26px 18px;

    background: rgba(8, 17, 31, 0.86);
    border-right: 1px solid var(--border);

    backdrop-filter: blur(22px);
}

.light-theme .sidebar {
    background: rgba(255, 255, 255, 0.88);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;

    padding: 4px 8px 24px;
}

.brand-icon {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;

    border-radius: 14px;

    background: linear-gradient(
        135deg,
        var(--primary),
        var(--accent)
    );

    color: white;
    font-size: 24px;

    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.35);
}

.brand h1 {
    font-size: 21px;
    font-weight: 700;
}

.brand p {
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 10px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;

    margin-top: 18px;
}

.nav-item {
    position: relative;

    display: flex;
    align-items: center;
    gap: 13px;

    padding: 13px 14px;

    border: 1px solid transparent;
    border-radius: 12px;

    color: var(--text-secondary);
    font-size: 14px;

    transition:
        transform var(--transition-fast),
        background-color var(--transition-normal),
        color var(--transition-fast),
        border-color var(--transition-fast);
}

.nav-item:hover {
    transform: translateX(4px);
    background: var(--surface-secondary);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(
        135deg,
        rgba(59, 130, 246, 0.2),
        rgba(139, 92, 246, 0.18)
    );

    border-color: var(--border-strong);
    color: var(--primary-light);
}

.nav-item.active::before {
    position: absolute;
    left: -19px;

    width: 4px;
    height: 26px;

    border-radius: 0 4px 4px 0;
    background: var(--primary);

    content: "";
}

.sidebar-bottom {
    display: flex;
    flex-direction: column;
    gap: 12px;

    margin-top: auto;
}

.ai-status {
    display: flex;
    align-items: center;
    gap: 11px;

    padding: 14px;

    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
}

.status-dot {
    width: 9px;
    height: 9px;

    flex-shrink: 0;

    border-radius: 50%;
    background: var(--success);

    box-shadow: 0 0 12px rgba(16, 185, 129, 0.75);
}

.status-dot.offline {
    background: var(--danger);
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.65);
}

.status-label {
    display: block;
    color: var(--text-muted);
    font-size: 10px;
}

.ai-status strong {
    display: block;
    margin-top: 2px;
    font-size: 12px;
}

.main-wrapper {
    display: flex;
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    flex-direction: column;

    margin-left: var(--sidebar-width);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 40;

    display: flex;
    min-height: var(--topbar-height);
    align-items: center;
    justify-content: space-between;

    padding: 18px 36px;

    background: rgba(8, 17, 31, 0.75);
    border-bottom: 1px solid var(--border);

    backdrop-filter: blur(18px);
}

.light-theme .topbar {
    background: rgba(248, 250, 252, 0.82);
}

.page-heading h2 {
    font-size: 19px;
}

.page-heading p {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 12px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.connection-badge {
    display: flex;
    align-items: center;
    gap: 8px;

    padding: 9px 13px;

    border: 1px solid var(--border);
    border-radius: 999px;

    background: var(--surface);

    color: var(--text-secondary);
    font-size: 11px;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;

    cursor: pointer;
    background: transparent;
    color: var(--text-secondary);
}

.theme-icon {
    display: grid;
    width: 28px;
    height: 28px;
    place-items: center;

    transition:
        color var(--transition-normal),
        transform var(--transition-normal);
}

.theme-toggle:hover .sun-icon {
    transform: rotate(25deg);
    color: var(--warning);
}

.theme-toggle:hover .moon-icon {
    transform: rotate(-15deg);
    color: var(--primary-light);
}

.toggle-track {
    position: relative;

    width: 52px;
    height: 28px;

    border: 1px solid var(--border);
    border-radius: 999px;

    background: var(--surface-secondary);

    transition:
        background-color var(--transition-normal),
        border-color var(--transition-normal);
}

.toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;

    width: 20px;
    height: 20px;

    border-radius: 50%;

    background: linear-gradient(
        135deg,
        var(--primary),
        var(--accent)
    );

    box-shadow: 0 5px 12px rgba(59, 130, 246, 0.35);

    transition: transform var(--transition-normal);
}

.light-theme .toggle-thumb {
    transform: translateX(24px);
}

.menu-button {
    display: none;
}

.icon-button {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;

    cursor: pointer;

    border: 1px solid var(--border);
    border-radius: 12px;

    background: var(--surface);
    color: var(--text-primary);
}

.page-content {
    flex: 1;
    padding: 38px;
}

.hero-section {
    position: relative;

    display: grid;
    min-height: 430px;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;

    overflow: hidden;

    padding: 50px;

    border: 1px solid var(--border);
    border-radius: var(--radius-large);

    background:
        linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.12),
            rgba(139, 92, 246, 0.06)
        ),
        var(--surface);

    box-shadow: var(--shadow-large);
}

.hero-section::before {
    position: absolute;
    top: -180px;
    right: -120px;

    width: 440px;
    height: 440px;

    border-radius: 50%;

    background: radial-gradient(
        circle,
        rgba(59, 130, 246, 0.22),
        transparent 68%
    );

    content: "";
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    padding: 8px 13px;

    border: 1px solid var(--border-strong);
    border-radius: 999px;

    background: rgba(59, 130, 246, 0.08);

    color: var(--primary-light);
    font-size: 11px;
}

.hero-content h2 {
    max-width: 700px;
    margin-top: 22px;

    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.12;
}

.hero-content h2 span {
    background: linear-gradient(
        90deg,
        var(--primary-light),
        var(--cyan),
        var(--accent)
    );

    background-clip: text;
    color: transparent;
}

.hero-content p {
    max-width: 650px;
    margin-top: 20px;

    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;

    margin-top: 30px;
}

.primary-button,
.secondary-button,
.danger-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    min-height: 44px;
    padding: 11px 18px;

    cursor: pointer;

    border-radius: 11px;

    font-size: 13px;
    font-weight: 500;

    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        background-color var(--transition-normal),
        border-color var(--transition-normal);
}

.primary-button {
    background: linear-gradient(
        135deg,
        var(--primary),
        var(--accent)
    );

    color: white;

    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.26);
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(59, 130, 246, 0.34);
}

.secondary-button {
    border: 1px solid var(--border);
    background: var(--surface-secondary);
    color: var(--text-primary);
}

.secondary-button:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    background: var(--surface-hover);
}

.danger-button {
    background: var(--danger);
    color: white;
}

.full-width {
    width: 100%;
}

.hero-visual {
    position: relative;

    display: grid;
    min-height: 340px;
    place-items: center;
}

.ai-core {
    position: relative;
    z-index: 4;

    display: grid;
    width: 120px;
    height: 120px;
    place-items: center;

    border: 1px solid rgba(96, 165, 250, 0.55);
    border-radius: 34px;

    background: linear-gradient(
        135deg,
        rgba(59, 130, 246, 0.22),
        rgba(139, 92, 246, 0.3)
    );

    color: var(--primary-light);
    font-size: 54px;

    box-shadow:
        0 0 55px rgba(59, 130, 246, 0.25),
        inset 0 0 28px rgba(139, 92, 246, 0.14);

    animation: coreFloat 4s ease-in-out infinite;
}

.visual-orbit {
    position: absolute;

    border: 1px dashed rgba(96, 165, 250, 0.3);
    border-radius: 50%;

    animation: orbitSpin 16s linear infinite;
}

.orbit-one {
    width: 240px;
    height: 240px;
}

.orbit-two {
    width: 320px;
    height: 320px;

    animation-direction: reverse;
    animation-duration: 22s;
}

.floating-card {
    position: absolute;
    z-index: 5;

    display: flex;
    align-items: center;
    gap: 8px;

    padding: 10px 13px;

    border: 1px solid var(--border);
    border-radius: 12px;

    background: rgba(17, 28, 47, 0.9);

    color: var(--text-secondary);
    font-size: 10px;

    box-shadow: var(--shadow-small);
    backdrop-filter: blur(16px);
}

.light-theme .floating-card {
    background: rgba(255, 255, 255, 0.9);
}

.card-one {
    top: 35px;
    left: 10px;
}

.card-two {
    right: 0;
    bottom: 55px;
}

.card-three {
    top: 50px;
    right: 20px;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;

    margin-top: 28px;
}

.module-card {
    padding: 28px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);

    box-shadow: var(--shadow-small);

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.module-card:hover {
    transform: translateY(-7px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-large);
}

.module-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.module-icon {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;

    border-radius: 15px;

    font-size: 24px;
}

.pdf-icon {
    background: rgba(59, 130, 246, 0.13);
    color: var(--primary-light);
}

.csv-icon {
    background: rgba(16, 185, 129, 0.13);
    color: var(--success);
}

.module-tag {
    padding: 6px 10px;

    border: 1px solid var(--border);
    border-radius: 999px;

    color: var(--text-secondary);
    font-size: 9px;
}

.module-card h3 {
    margin-top: 22px;
    font-size: 21px;
}

.module-card > p {
    margin-top: 12px;

    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.75;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 11px;

    margin-top: 22px;

    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 7px;

    color: var(--text-secondary);
    font-size: 11px;
}

.feature-list i {
    color: var(--success);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    margin-top: 24px;

    color: var(--primary-light);
    font-size: 12px;
    font-weight: 500;
}

.card-link i {
    transition: transform var(--transition-fast);
}

.card-link:hover i {
    transform: translateX(5px);
}

.features-section {
    margin-top: 60px;
}

.section-heading {
    max-width: 650px;
}

.section-heading span {
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 600;
}

.section-heading h2 {
    margin-top: 8px;
    font-size: 30px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;

    margin-top: 24px;
}

.feature-card {
    padding: 22px;

    border: 1px solid var(--border);
    border-radius: 15px;

    background: var(--surface);
}

.feature-card > i {
    color: var(--primary-light);
    font-size: 24px;
}

.feature-card h3 {
    margin-top: 17px;
    font-size: 14px;
}

.feature-card p {
    margin-top: 8px;

    color: var(--text-secondary);
    font-size: 10px;
    line-height: 1.7;
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 18px;

    padding: 24px 38px;

    border-top: 1px solid var(--border);

    color: var(--text-muted);
    font-size: 10px;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;

    display: grid;
    place-items: center;

    padding: 20px;

    visibility: hidden;
    opacity: 0;

    background: rgba(2, 6, 23, 0.72);
    backdrop-filter: blur(12px);

    transition:
        opacity var(--transition-normal),
        visibility var(--transition-normal);
}

.modal-overlay.show {
    visibility: visible;
    opacity: 1;
}

.modal-card {
    width: min(430px, 100%);

    padding: 30px;

    transform: scale(0.92) translateY(20px);

    border: 1px solid var(--border);
    border-radius: 20px;

    background: var(--surface);

    box-shadow: var(--shadow-large);

    text-align: center;

    transition: transform var(--transition-normal);
}

.modal-overlay.show .modal-card {
    transform: scale(1) translateY(0);
}

.modal-icon {
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;

    margin: 0 auto;

    border-radius: 16px;

    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);

    font-size: 24px;
}

.modal-card h3 {
    margin-top: 18px;
}

.modal-card p {
    margin-top: 10px;

    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.7;
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: 12px;

    margin-top: 24px;
}

.toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 150;

    max-width: 360px;

    padding: 13px 18px;

    transform: translateY(80px);

    border: 1px solid var(--border);
    border-radius: 12px;

    opacity: 0;

    background: var(--surface);
    box-shadow: var(--shadow-large);

    color: var(--text-primary);
    font-size: 12px;

    transition:
        transform var(--transition-normal),
        opacity var(--transition-normal);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

@keyframes orbitSpin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes coreFloat {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

.hidden {
    display: none !important;
}

.analyzer-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;

    margin-bottom: 28px;
}

.analyzer-header h1 {
    margin-top: 15px;
    font-size: clamp(28px, 4vw, 42px);
}

.analyzer-header p {
    max-width: 720px;
    margin-top: 12px;

    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.8;
}

.analyzer-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr 1fr;
    gap: 20px;
}

.analyzer-card {
    padding: 24px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);
    box-shadow: var(--shadow-small);
}

.card-section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 20px;
}

.card-section-heading span {
    color: var(--primary-light);
    font-size: 10px;
    font-weight: 600;
}

.card-section-heading h3 {
    margin-top: 4px;
    font-size: 17px;
}

.card-section-heading > i {
    color: var(--primary-light);
    font-size: 24px;
}

.drop-zone {
    display: flex;
    min-height: 290px;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    padding: 28px;

    cursor: pointer;

    border: 1.5px dashed var(--border-strong);
    border-radius: 18px;

    background:
        linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.05),
            rgba(139, 92, 246, 0.05)
        );

    text-align: center;

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        background-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.drop-zone:hover,
.drop-zone.drag-over {
    transform: translateY(-3px);

    border-color: var(--primary-light);

    background:
        linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.12),
            rgba(139, 92, 246, 0.1)
        );

    box-shadow: 0 14px 35px rgba(59, 130, 246, 0.14);
}

.drop-zone-icon {
    display: grid;
    width: 68px;
    height: 68px;
    place-items: center;

    border-radius: 20px;

    background: rgba(59, 130, 246, 0.13);
    color: var(--primary-light);

    font-size: 32px;
}

.drop-zone h4 {
    margin-top: 18px;
    font-size: 15px;
}

.drop-zone p {
    margin-top: 7px;

    color: var(--text-secondary);
    font-size: 11px;
}

.drop-zone .primary-button {
    margin-top: 18px;
}

.drop-zone small {
    margin-top: 16px;

    color: var(--text-muted);
    font-size: 9px;
}

.selected-file {
    display: flex;
    align-items: center;
    gap: 13px;

    margin-top: 14px;
    padding: 13px;

    border: 1px solid var(--border);
    border-radius: 13px;

    background: var(--surface-secondary);
}

.selected-file-icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;

    border-radius: 11px;

    background: rgba(59, 130, 246, 0.13);
    color: var(--primary-light);
}

.selected-file-info {
    min-width: 0;
    flex: 1;
}

.selected-file-info strong {
    display: block;

    overflow: hidden;

    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.selected-file-info span {
    display: block;
    margin-top: 3px;

    color: var(--text-secondary);
    font-size: 9px;
}

.analysis-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.analysis-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;

    padding: 14px;

    cursor: pointer;

    border: 1px solid var(--border);
    border-radius: 13px;

    background: var(--surface-secondary);

    transition:
        transform var(--transition-fast),
        border-color var(--transition-normal),
        background-color var(--transition-normal);
}

.analysis-option:hover {
    transform: translateX(3px);
    border-color: var(--border-strong);
}

.analysis-option.active {
    border-color: var(--primary);

    background:
        linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.13),
            rgba(139, 92, 246, 0.08)
        );
}

.analysis-option input {
    display: none;
}

.custom-radio {
    position: relative;

    width: 17px;
    height: 17px;

    flex-shrink: 0;
    margin-top: 2px;

    border: 2px solid var(--text-muted);
    border-radius: 50%;
}

.analysis-option.active .custom-radio {
    border-color: var(--primary);
}

.analysis-option.active .custom-radio::after {
    position: absolute;
    inset: 3px;

    border-radius: 50%;
    background: var(--primary);

    content: "";
}

.analysis-option strong {
    display: block;
    font-size: 12px;
}

.analysis-option small {
    display: block;
    margin-top: 4px;

    color: var(--text-secondary);
    font-size: 9px;
    line-height: 1.5;
}

.question-card textarea {
    width: 100%;
    min-height: 170px;

    resize: vertical;

    padding: 14px;

    outline: none;

    border: 1px solid var(--border);
    border-radius: 13px;

    background: var(--surface-secondary);
    color: var(--text-primary);

    font-size: 11px;
    line-height: 1.7;

    transition:
        border-color var(--transition-normal),
        box-shadow var(--transition-normal),
        background-color var(--transition-normal);
}

.question-card textarea:focus {
    border-color: var(--primary);

    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.question-card textarea:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.input-hint {
    margin-top: 8px;

    color: var(--text-muted);
    font-size: 9px;
}

.analyze-button {
    margin-top: 18px;
}

.progress-card {
    margin-top: 22px;
    padding: 20px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.progress-info strong {
    display: block;
    font-size: 12px;
}

.progress-info span {
    display: block;
    margin-top: 4px;

    color: var(--text-secondary);
    font-size: 9px;
}

.progress-track {
    height: 8px;
    margin-top: 16px;

    overflow: hidden;

    border-radius: 999px;
    background: var(--surface-secondary);
}

.progress-bar {
    width: 0;
    height: 100%;

    border-radius: inherit;

    background: linear-gradient(
        90deg,
        var(--primary),
        var(--cyan),
        var(--accent)
    );

    transition: width 400ms ease;
}

.metadata-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;

    margin-top: 22px;
}

.metadata-card {
    display: flex;
    align-items: center;
    gap: 13px;

    padding: 18px;

    border: 1px solid var(--border);
    border-radius: 14px;

    background: var(--surface);
}

.metadata-icon {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;

    border-radius: 13px;
}

.metadata-icon.blue {
    background: rgba(59, 130, 246, 0.13);
    color: var(--primary-light);
}

.metadata-icon.green {
    background: rgba(16, 185, 129, 0.13);
    color: var(--success);
}

.metadata-icon.purple {
    background: rgba(139, 92, 246, 0.13);
    color: var(--accent);
}

.metadata-icon.orange {
    background: rgba(245, 158, 11, 0.13);
    color: var(--warning);
}

.metadata-card span {
    display: block;

    color: var(--text-secondary);
    font-size: 9px;
}

.metadata-card strong {
    display: block;
    margin-top: 4px;

    font-size: 15px;
}

.response-card {
    margin-top: 22px;
    padding: 24px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);
    box-shadow: var(--shadow-small);
}

.response-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.response-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.response-icon {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;

    border-radius: 13px;

    background: rgba(139, 92, 246, 0.13);
    color: var(--accent);

    font-size: 22px;
}

.response-title h3 {
    font-size: 16px;
}

.response-title span {
    display: block;
    margin-top: 3px;

    color: var(--text-secondary);
    font-size: 9px;
}

.response-actions {
    display: flex;
    gap: 10px;
}

.response-content {
    min-height: 230px;
    margin-top: 20px;
    padding: 20px;

    overflow-wrap: anywhere;

    border: 1px solid var(--border);
    border-radius: 14px;

    background: var(--surface-secondary);

    color: var(--text-primary);
    font-size: 12px;
    line-height: 1.9;
    white-space: pre-wrap;
}

.typing-cursor {
    display: inline-block;
    width: 7px;
    height: 16px;

    background: var(--primary-light);

    animation: cursorBlink 800ms infinite;
}

@keyframes cursorBlink {
    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.spinning {
    animation: spin 900ms linear infinite;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}
/* =========================================================
   CSV ANALYZER
========================================================= */

.upload-section {
    margin-bottom: 24px;
}

.upload-card {
    padding: 28px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);
    box-shadow: var(--shadow-small);
}

.upload-card > h2 {
    font-size: 22px;
}

.upload-card > p {
    margin-top: 8px;

    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.7;
}

.upload-icon {
    display: grid;
    width: 68px;
    height: 68px;
    place-items: center;

    margin-bottom: 14px;

    border-radius: 18px;

    background: rgba(16, 185, 129, 0.12);
    color: var(--success);

    font-size: 31px;
}

#csvDropZone {
    margin-top: 22px;
}

#csvDropZone h3 {
    margin-top: 4px;
    font-size: 16px;
}

#csvDropZone small {
    display: block;
    margin-top: 14px;

    color: var(--text-muted);
    font-size: 9px;
}

.section-title {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;

    margin-bottom: 18px;
}

.section-header p {
    margin-top: 5px;

    color: var(--text-secondary);
    font-size: 10px;
}

/* Dataset Information */

#datasetInfoSection {
    margin-top: 24px;
}

.dataset-info-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;

    margin-top: 16px;
}

.info-card {
    padding: 18px;

    border: 1px solid var(--border);
    border-radius: 14px;

    background:
        linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.05),
            rgba(139, 92, 246, 0.04)
        ),
        var(--surface);

    box-shadow: var(--shadow-small);

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-large);
}

.info-card span {
    display: block;

    color: var(--text-secondary);
    font-size: 10px;
}

.info-card strong {
    display: block;
    margin-top: 7px;

    overflow: hidden;

    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Health Score */

#healthSection {
    margin-top: 24px;
    padding: 22px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);
    box-shadow: var(--shadow-small);
}

.health-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.health-card h3 {
    font-size: 17px;
}

.health-card p {
    margin-top: 4px;

    color: var(--text-secondary);
    font-size: 10px;
}

.health-score {
    font-size: 28px;
    font-weight: 700;
    color: var(--success);
}

.health-score.warning {
    color: var(--warning);
}

.health-score.danger {
    color: var(--danger);
}

.health-progress {
    height: 10px;
    margin-top: 18px;

    overflow: hidden;

    border-radius: 999px;
    background: var(--surface-secondary);
}

.health-progress-bar {
    width: 0;
    height: 100%;

    border-radius: inherit;

    background: linear-gradient(
        90deg,
        var(--success),
        var(--cyan)
    );

    transition:
        width 700ms ease,
        background-color var(--transition-normal);
}

.health-progress-bar.warning {
    background: linear-gradient(
        90deg,
        var(--warning),
        #facc15
    );
}

.health-progress-bar.danger {
    background: linear-gradient(
        90deg,
        var(--danger),
        #fb7185
    );
}

/* Overview Cards */

#overviewSection {
    margin-top: 24px;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
}

.overview-card {
    position: relative;

    overflow: hidden;

    padding: 18px;

    border: 1px solid var(--border);
    border-radius: 14px;

    background: var(--surface);
    box-shadow: var(--shadow-small);

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.overview-card::before {
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 3px;

    background: linear-gradient(
        90deg,
        var(--primary),
        var(--accent)
    );

    content: "";
}

.overview-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-large);
}

.overview-card h4 {
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 500;
}

.overview-card strong {
    display: block;
    margin-top: 9px;

    font-size: 24px;
}

/* Processing Timeline */

#timelineSection {
    margin-top: 28px;
    padding: 22px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);
    box-shadow: var(--shadow-small);
}

.timeline {
    display: flex;
    align-items: center;
    justify-content: center;

    margin-top: 22px;
}

.timeline-item {
    display: flex;
    min-width: 85px;
    flex-direction: column;
    align-items: center;
    gap: 8px;

    color: var(--text-muted);

    transition:
        color var(--transition-normal),
        transform var(--transition-normal);
}

.timeline-item span {
    font-size: 10px;
}

.timeline-circle {
    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;

    border: 2px solid var(--border);
    border-radius: 50%;

    background: var(--surface-secondary);

    font-size: 11px;
    font-weight: 600;

    transition:
        background-color var(--transition-normal),
        border-color var(--transition-normal),
        color var(--transition-normal),
        transform var(--transition-normal);
}

.timeline-item.active {
    color: var(--primary-light);
}

.timeline-item.active .timeline-circle {
    transform: scale(1.08);

    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.14);

    color: var(--primary-light);
}

.timeline-item.completed {
    color: var(--success);
}

.timeline-item.completed .timeline-circle {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.14);
    color: var(--success);
}

.timeline-line {
    width: min(110px, 9vw);
    height: 2px;

    margin-bottom: 25px;

    background: var(--border);
}

/* Preview Table */

#previewSection {
    margin-top: 28px;
    padding: 22px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);
    box-shadow: var(--shadow-small);
}

.table-wrapper {
    max-width: 100%;
    margin-top: 18px;

    overflow-x: auto;

    border: 1px solid var(--border);
    border-radius: 14px;

    background: var(--surface-secondary);
}

#previewTable {
    width: 100%;
    min-width: 720px;

    border-collapse: collapse;
}

#previewTable thead {
    position: sticky;
    top: 0;
    z-index: 2;

    background: var(--surface-hover);
}

#previewTable th,
#previewTable td {
    padding: 13px 15px;

    border-bottom: 1px solid var(--border);

    text-align: left;
    font-size: 10px;
    white-space: nowrap;
}

#previewTable th {
    color: var(--text-primary);
    font-weight: 600;
}

#previewTable td {
    color: var(--text-secondary);
}

#previewTable tbody tr {
    transition: background-color var(--transition-fast);
}

#previewTable tbody tr:hover {
    background: rgba(59, 130, 246, 0.07);
}

#previewTable tbody tr:last-child td {
    border-bottom: none;
}

/* AI Insights */

#aiSection {
    margin-top: 28px;
}

#csvResponse {
    min-height: 250px;
}

/* Charts */

#chartSection {
    margin-top: 28px;
    padding: 22px;

    border: 1px solid var(--border);
    border-radius: var(--radius-medium);

    background: var(--surface);
    box-shadow: var(--shadow-small);
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;

    margin-top: 18px;
}

.chart-card {
    position: relative;

    min-height: 330px;
    overflow: hidden;

    padding: 18px;

    border: 1px solid var(--border);
    border-radius: 15px;

    background: var(--surface-secondary);

    transition:
        transform var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.chart-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-large);
}

.chart-card h4 {
    margin-bottom: 14px;
    font-size: 13px;
}

.chart-card img {
    display: block;
    width: 100%;
    max-height: 270px;

    object-fit: contain;

    border-radius: 10px;

    background: #ffffff;
}

.chart-card img:not([src]),
.chart-card img[src=""] {
    display: none;
}

.chart-card:has(img:not([src])),
.chart-card:has(img[src=""]) {
    display: none;
}

/* Recommendation */

#recommendationSection {
    margin-top: 28px;
}

.recommend-card {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;

    padding: 24px;

    border: 1px solid var(--border-strong);
    border-radius: var(--radius-medium);

    background:
        linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.11),
            rgba(139, 92, 246, 0.09)
        ),
        var(--surface);

    box-shadow: var(--shadow-small);
}

.recommend-card span {
    color: var(--text-secondary);
    font-size: 10px;
}

.recommend-card h3 {
    margin-top: 8px;

    color: var(--primary-light);
    font-size: 20px;
}

.recommend-card ul {
    margin-top: 10px;
    padding-left: 18px;

    color: var(--text-secondary);
}

.recommend-card li {
    margin-bottom: 7px;
    font-size: 11px;
}

/* Recent Activity */

#recentActivity {
    margin-top: 14px;
}

.activity-card {
    display: flex;
    flex-direction: column;
    gap: 10px;

    padding: 18px;

    border: 1px solid var(--border);
    border-radius: 14px;

    background: var(--surface);
    box-shadow: var(--shadow-small);

    color: var(--text-secondary);
    font-size: 11px;
}

.activity-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;

    padding: 11px 12px;

    border: 1px solid var(--border);
    border-radius: 10px;

    background: var(--surface-secondary);
}

.activity-item strong {
    color: var(--text-primary);
    font-size: 10px;
}

.activity-item span {
    color: var(--text-muted);
    font-size: 9px;
}

/* Analyze Section */

.analyze-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;

    margin-top: 28px;
}

#analyzeCsvButton,
#exportCsvReportButton {
    min-width: 220px;
    min-height: 50px;

    font-size: 13px;
}

/* CSV-specific smooth reveal */

#datasetInfoSection,
#healthSection,
#overviewSection,
#timelineSection,
#previewSection,
#aiSection,
#chartSection,
#recommendationSection {
    animation: csvSectionReveal 450ms ease both;
}

@keyframes csvSectionReveal {
    from {
        transform: translateY(12px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Table scrollbar */

.table-wrapper::-webkit-scrollbar {
    height: 8px;
}

.table-wrapper::-webkit-scrollbar-track {
    background: var(--surface-secondary);
}

.table-wrapper::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: var(--text-muted);
}

.table-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}
/* =========================================================
   CHART FULLSCREEN PREVIEW
========================================================= */

.chart-card {
    cursor: pointer;
}

.chart-card::after {
    position: absolute;
    top: 14px;
    right: 14px;

    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;

    border: 1px solid var(--border);
    border-radius: 10px;

    opacity: 0;

    background: rgba(15, 23, 42, 0.78);
    color: #ffffff;

    font-family: sans-serif;
    font-size: 15px;

    content: "⛶";

    backdrop-filter: blur(10px);

    transition:
        opacity var(--transition-normal),
        transform var(--transition-normal);
}

.chart-card:hover::after {
    transform: scale(1.05);
    opacity: 1;
}

.chart-card img {
    cursor: zoom-in;

    transition:
        transform var(--transition-normal),
        filter var(--transition-normal);
}

.chart-card:hover img {
    transform: scale(1.015);
    filter: brightness(1.03);
}

.chart-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;

    display: grid;
    place-items: center;

    padding: 24px;

    visibility: hidden;
    opacity: 0;

    background: rgba(2, 6, 23, 0.82);
    backdrop-filter: blur(14px);

    transition:
        opacity var(--transition-normal),
        visibility var(--transition-normal);
}

.chart-modal-overlay.show {
    visibility: visible;
    opacity: 1;
}

.chart-modal-card {
    display: flex;
    width: min(1100px, 96vw);
    max-height: 92vh;
    flex-direction: column;

    overflow: hidden;

    transform: scale(0.92) translateY(24px);

    border: 1px solid var(--border);
    border-radius: 22px;

    background: var(--surface);
    box-shadow: var(--shadow-large);

    transition:
        transform var(--transition-normal),
        background-color var(--transition-normal),
        border-color var(--transition-normal);
}

.chart-modal-overlay.show .chart-modal-card {
    transform: scale(1) translateY(0);
}

.chart-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;

    padding: 20px 22px;

    border-bottom: 1px solid var(--border);
}

.chart-modal-header span {
    color: var(--primary-light);
    font-size: 10px;
    font-weight: 600;
}

.chart-modal-header h3 {
    margin-top: 5px;
    font-size: 18px;
}

.chart-modal-body {
    display: grid;
    min-height: 420px;
    flex: 1;
    place-items: center;

    overflow: auto;

    padding: 24px;

    background: var(--surface-secondary);
}

.chart-modal-body img {
    display: block;
    max-width: 100%;
    max-height: 65vh;

    object-fit: contain;

    border-radius: 14px;
    background: #ffffff;

    box-shadow: var(--shadow-small);
}

.chart-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;

    padding: 18px 22px;

    border-top: 1px solid var(--border);
}

/* =========================================================
   STRUCTURED AI RESPONSE
========================================================= */

.ai-report-heading {
    margin: 30px 0 14px;
    padding: 11px 14px;

    border-left: 4px solid var(--primary);
    border-radius: 0 10px 10px 0;

    background:
        linear-gradient(
            90deg,
            rgba(59, 130, 246, 0.14),
            rgba(59, 130, 246, 0.02)
        );

    color: var(--primary-light);
    font-size: 14px;
    letter-spacing: 0.04em;
}

.ai-report-heading:first-child {
    margin-top: 0;
}

.ai-report-paragraph {
    margin: 0 0 13px;

    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.85;
}

.ai-report-list {
    display: flex;
    flex-direction: column;
    gap: 10px;

    margin: 6px 0 20px;
    padding-left: 22px;

    color: var(--text-secondary);
}

.ai-report-list li {
    padding-left: 5px;

    font-size: 12px;
    line-height: 1.75;
}

.ai-report-list li::marker {
    color: var(--primary-light);
    font-weight: 700;
}

.ai-report-metric {
    display: grid;
    grid-template-columns: minmax(150px, 0.8fr) minmax(180px, 1.2fr);
    gap: 18px;

    margin-bottom: 8px;
    padding: 12px 14px;

    border: 1px solid var(--border);
    border-radius: 11px;

    background: var(--surface);

    transition:
        transform var(--transition-fast),
        border-color var(--transition-fast);
}

.ai-report-metric:hover {
    transform: translateX(3px);
    border-color: var(--border-strong);
}

.ai-report-metric span {
    color: var(--text-secondary);
    font-size: 11px;
}

.ai-report-metric strong {
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 600;
}

.ai-service-error {
    display: flex;
    align-items: flex-start;
    gap: 14px;

    padding: 18px;

    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 14px;

    background: rgba(239, 68, 68, 0.08);
}

.ai-service-error-icon {
    display: grid;
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    place-items: center;

    border-radius: 12px;

    background: rgba(239, 68, 68, 0.13);
    color: var(--danger);

    font-size: 20px;
}

.ai-service-error strong {
    color: var(--danger);
    font-size: 13px;
}

.ai-service-error p {
    margin-top: 5px;

    color: var(--text-secondary);
    font-size: 11px;
    line-height: 1.7;
}
.connection-badge.offline {
    border-color: rgba(239, 68, 68, 0.28);
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger);
}
/* =========================================================
   INSIGHTAI BRANDING
========================================================= */

.brand-content {
    min-width: 0;
    flex: 1;
}

.brand-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.version-badge {
    padding: 3px 7px;

    border: 1px solid var(--border-strong);
    border-radius: 999px;

    background: rgba(59, 130, 246, 0.1);

    color: var(--primary-light);
    font-size: 8px;
    font-weight: 600;
}

.nav-button {
    width: 100%;

    cursor: pointer;

    background: transparent;

    text-align: left;
}

.splash-screen {
    position: fixed;
    inset: 0;
    z-index: 1000;

    display: grid;
    place-items: center;

    background:
        radial-gradient(
            circle at center,
            rgba(59, 130, 246, 0.18),
            transparent 45%
        ),
        #08111f;

    visibility: visible;
    opacity: 1;

    transition:
        opacity 650ms ease,
        visibility 650ms ease;
}

.splash-screen.hide {
    visibility: hidden;
    opacity: 0;
}

.splash-content {
    width: min(420px, 90vw);

    text-align: center;
}

.splash-logo {
    display: grid;
    width: 92px;
    height: 92px;
    place-items: center;

    margin: 0 auto;

    border-radius: 28px;

    background: linear-gradient(
        135deg,
        var(--primary),
        var(--accent)
    );

    color: white;
    font-size: 44px;

    box-shadow:
        0 0 45px rgba(59, 130, 246, 0.4),
        0 20px 55px rgba(0, 0, 0, 0.35);

    animation: splashFloat 2.4s ease-in-out infinite;
}

.splash-content h1 {
    margin-top: 24px;

    font-size: 34px;
}

.splash-content p {
    margin-top: 8px;

    color: #94a3b8;
    font-size: 12px;
}

.splash-loader {
    width: 240px;
    height: 5px;

    margin: 28px auto 0;

    overflow: hidden;

    border-radius: 999px;

    background: rgba(148, 163, 184, 0.15);
}

.splash-loader span {
    display: block;
    width: 40%;
    height: 100%;

    border-radius: inherit;

    background: linear-gradient(
        90deg,
        var(--primary),
        var(--cyan),
        var(--accent)
    );

    animation: splashLoading 1.25s ease-in-out infinite;
}

.splash-content small {
    display: block;
    margin-top: 14px;

    color: #64748b;
    font-size: 9px;
}

.about-modal-card {
    max-width: 520px;
}

.about-logo {
    display: grid;
    width: 72px;
    height: 72px;
    place-items: center;

    margin: 0 auto;

    border-radius: 22px;

    background: linear-gradient(
        135deg,
        var(--primary),
        var(--accent)
    );

    color: white;
    font-size: 34px;

    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.3);
}

.about-modal-card h2 {
    margin-top: 18px;

    font-size: 25px;
}

.about-version {
    display: inline-block;

    margin-top: 7px;
    padding: 5px 11px;

    border: 1px solid var(--border);
    border-radius: 999px;

    background: var(--surface-secondary);

    color: var(--primary-light);
    font-size: 9px;
}

.about-description {
    margin-top: 18px !important;

    font-size: 11px !important;
    line-height: 1.8 !important;
}

.about-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;

    margin-top: 20px;
}

.about-tech-grid span {
    padding: 8px;

    border: 1px solid var(--border);
    border-radius: 9px;

    background: var(--surface-secondary);

    color: var(--text-secondary);
    font-size: 9px;
}

.about-developer {
    margin: 22px 0;
    padding: 16px;

    border: 1px solid var(--border);
    border-radius: 12px;

    background:
        linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.09),
            rgba(139, 92, 246, 0.07)
        );
}

.about-developer span,
.about-developer small {
    display: block;

    color: var(--text-secondary);
    font-size: 9px;
}

.about-developer strong {
    display: block;

    margin: 5px 0;

    color: var(--primary-light);
    font-size: 15px;
}

@keyframes splashLoading {
    0% {
        transform: translateX(-110%);
    }

    100% {
        transform: translateX(260%);
    }
}

@keyframes splashFloat {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}
/* =========================================================
   COLLAPSIBLE SIDEBAR
========================================================= */

:root {
    --sidebar-collapsed-width: 88px;
}

.sidebar,
.main-wrapper {
    transition:
        width var(--transition-normal),
        margin-left var(--transition-normal),
        transform var(--transition-normal);
}

/* Collapsed sidebar */

body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);

    padding-left: 14px;
    padding-right: 14px;
}

body.sidebar-collapsed .main-wrapper {
    width: calc(
        100% - var(--sidebar-collapsed-width)
    );

    margin-left: var(--sidebar-collapsed-width);
}

/* Brand */

body.sidebar-collapsed .brand {
    justify-content: center;

    padding-left: 0;
    padding-right: 0;
}

body.sidebar-collapsed .brand-content {
    display: none;
}

body.sidebar-collapsed .brand-icon {
    width: 48px;
    height: 48px;

    flex-shrink: 0;
}

/* Navigation */

body.sidebar-collapsed .nav-item {
    justify-content: center;

    min-height: 48px;
    padding: 12px;
}

body.sidebar-collapsed .nav-item span {
    display: none;
}

body.sidebar-collapsed .nav-item i {
    margin: 0;

    font-size: 19px;
}

body.sidebar-collapsed .nav-item:hover {
    transform: translateY(-2px);
}

body.sidebar-collapsed .nav-item.active::before {
    left: -15px;
}

/* AI status */

body.sidebar-collapsed .ai-status {
    justify-content: center;

    min-height: 50px;
    padding: 12px;
}

body.sidebar-collapsed .ai-status > div:not(.status-dot) {
    display: none;
}

body.sidebar-collapsed .ai-status .status-dot {
    width: 11px;
    height: 11px;
}

/* Reset button */

body.sidebar-collapsed #sidebarResetButton {
    width: 100%;
    min-width: 0;
    padding: 12px;

    font-size: 0;
}

body.sidebar-collapsed #sidebarResetButton i {
    margin: 0;

    font-size: 18px;
}

/* Menu button appearance */

#menuButton {
    transition:
        transform var(--transition-normal),
        background-color var(--transition-normal),
        border-color var(--transition-normal);
}

#menuButton:hover {
    transform: scale(1.05);

    border-color: var(--border-strong);
}

body.sidebar-collapsed #menuButton {
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary-light);
}