/* =========================================
   DEEPWELL — GLOBAL DESIGN SYSTEM
========================================= */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800&family=DM+Mono:wght@400;500&family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    /* Colors */
    --bg-main: #101315;
    --bg-secondary: #171b1e;
    --bg-panel: #1c2225;
    --bg-panel-hover: #252d31;

    --border: #30383c;
    --border-light: #414b50;

    --text-primary: #e8e9e7;
    --text-secondary: #929b9e;
    --text-muted: #626d71;

    --accent: #e69a42;
    --accent-hover: #f3ad59;
    --accent-dark: #8f5924;

    --success: #66b78a;
    --danger: #d65f55;
    --warning: #e6a044;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-display: 'Barlow Condensed', sans-serif;
    --font-mono: 'DM Mono', monospace;

    /* Dimensions */
    --radius: 4px;
    --radius-large: 7px;

    /* Effects */
    --transition: 180ms ease;
}

/* =========================================
   RESET
========================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 14px;
    overflow-x: hidden;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

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

::selection {
    background: var(--accent);
    color: #111;
}

/* =========================================
   GLOBAL COMPONENTS
========================================= */

/* Buttons */

.btn-primary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;

    padding: 16px 21px;

    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius);

    color: #171717;
    font-weight: 800;
    font-size: 11px;
    letter-spacing: 1px;

    transition: var(--transition);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-primary:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.btn-primary span {
    font-size: 19px;
}

/* Panels */

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.panel-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);

    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* Status */

.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 9px rgba(102, 183, 138, 0.5);
}

/* Labels */

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

    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--accent);
}

.eyebrow-line {
    width: 25px;
    height: 1px;
    background: var(--accent);
}

/* =========================================
   INDEX — DEPARTMENT SELECTION
========================================= */

.selection-page {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    isolation: isolate;
}

/* Background texture */

.selection-page::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;

    background-image:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);

    background-size: 45px 45px;

    mask-image: linear-gradient(
        to bottom,
        rgba(0,0,0,0.7),
        transparent 85%
    );
}

.selection-page::after {
    content: "";
    position: absolute;
    width: 650px;
    height: 650px;
    top: -350px;
    right: -200px;
    z-index: -1;

    background: radial-gradient(
        circle,
        rgba(230,154,66,0.08),
        transparent 70%
    );

    pointer-events: none;
}

/* Topbar */

.topbar {
    height: 75px;
    padding: 0 6%;

    display: flex;
    align-items: center;
    justify-content: space-between;

    background: rgba(16,19,21,0.8);
    border-bottom: 1px solid var(--border);
}

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

    font-family: var(--font-display);
    font-size: 23px;
    font-weight: 800;
    letter-spacing: 1.5px;
}

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

    width: 31px;
    height: 31px;

    background: var(--accent);
    color: #171717;

    font-size: 20px;
    font-weight: 800;

    border-radius: 3px;
}

.topbar-status,
.topbar-version {
    display: flex;
    align-items: center;
    gap: 9px;

    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.7px;
    color: var(--text-secondary);
}

.topbar-version span {
    color: var(--accent);
}

/* Main content */

.selection-container {
    position: relative;
    width: min(900px, 88%);
    margin: 85px auto 70px;
    z-index: 1;
}

/* Heading */

.page-heading {
    margin-bottom: 46px;
}

.page-heading h1 {
    margin-top: 20px;

    font-family: var(--font-display);
    font-size: clamp(55px, 8vw, 85px);
    line-height: 0.88;
    font-weight: 800;
    letter-spacing: -1px;
}

.page-heading h1 span {
    color: var(--accent);
}

.page-heading > p {
    margin-top: 21px;
    max-width: 410px;

    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.7;
}

/* Department heading */

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

    padding-bottom: 13px;
    margin-bottom: 15px;

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

    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1.2px;
    color: var(--text-secondary);
}

.department-count {
    color: var(--text-muted);
}

/* Department grid */

.department-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.department-card {
    position: relative;
    display: block;
    min-width: 0;
    cursor: pointer;
}

.department-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.department-card-content {
    position: relative;
    min-height: 145px;

    display: flex;
    flex-direction: column;
    justify-content: space-between;

    padding: 17px 19px;

    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);

    transition: var(--transition);
    overflow: hidden;
}

.department-card-content::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;

    background: var(--department-color);
    opacity: 0.5;

    transition: var(--transition);
}

.department-card:hover .department-card-content {
    background: var(--bg-panel-hover);
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.department-card:hover .department-card-content::before {
    opacity: 1;
}

/* Selected card */

.department-card input:checked + .department-card-content {
    background: #252b2d;
    border-color: var(--department-color);
    box-shadow: inset 0 0 0 1px var(--department-color),
                0 0 20px color-mix(in srgb, var(--department-color) 10%, transparent);
}

.department-card input:checked + .department-card-content::before {
    opacity: 1;
    width: 4px;
}

.department-card:has(input:focus-visible) .department-card-content {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

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

.department-number {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.department-code {
    padding: 5px 8px;

    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 1px;

    color: var(--department-color);
    background: color-mix(in srgb, var(--department-color) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--department-color) 25%, transparent);
}

.department-card-bottom {
    padding-right: 25px;
}

.department-card-bottom h2 {
    font-family: var(--font-display);
    font-size: 23px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.department-card-bottom p {
    margin-top: 5px;

    color: var(--text-secondary);
    font-size: 11px;
    line-height: 1.5;
}

.department-arrow {
    position: absolute;
    right: 17px;
    bottom: 19px;

    color: var(--text-muted);
    font-size: 17px;

    transition: var(--transition);
}

.department-card:hover .department-arrow,
.department-card input:checked + .department-card-content .department-arrow {
    color: var(--department-color);
    transform: translate(2px, -2px);
}

/* Form bottom */

.form-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-top: 22px;
    padding-top: 19px;

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

.selection-info {
    display: flex;
    align-items: center;
    gap: 10px;

    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.6px;
    color: var(--text-secondary);
}

.selection-indicator {
    width: 7px;
    height: 7px;
    background: var(--text-muted);
    border-radius: 50%;
}

.department-form:has(input:checked) .selection-indicator {
    background: var(--success);
    box-shadow: 0 0 8px rgba(102,183,138,0.5);
}

/* Decorative elements */

.page-decoration {
    position: absolute;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--border),
        transparent
    );

    pointer-events: none;
}

.decoration-left {
    left: 2%;
    top: 25%;
    height: 350px;
}

.decoration-right {
    right: 2%;
    bottom: 5%;
    height: 250px;
}

/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 650px) {

    .topbar {
        height: 65px;
        padding: 0 5%;
    }

    .topbar-status {
        display: none;
    }

    .topbar-version {
        font-size: 9px;
    }

    .selection-container {
        margin-top: 65px;
        width: 90%;
    }

    .page-heading {
        margin-bottom: 35px;
    }

    .department-grid {
        grid-template-columns: 1fr;
        gap: 9px;
    }

    .department-card-content {
        min-height: 125px;
    }

    .form-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
    }

    .btn-primary {
        width: 100%;
    }

    .page-decoration {
        display: none;
    }
}

@media (max-width: 380px) {

    .topbar-version {
        display: none;
    }

    .page-heading h1 {
        font-size: 53px;
    }

}