/* static/css/style.css
   Full stylesheet integrating your palette, landing-specific layering,
   Three.js canvas handling, responsive rules, and component styles.
*/

/* -------------------------
   Palette and global variables
   ------------------------- */
:root {
    /* User palette */
    --gold-1: #EBB869;
    --gold-2: #F3B57C;
    --gold-3: #F8C09D;
    --gold-4: #F9E7C1;
    --rust-1: #A24025;
    --rust-2: #852D1F;
    --maroon: #370B0C;
    --scarlet: #C01B17;
    --black: #000000;
    --white: #FFFFFF;
    /* Semantic variables (derived) */
    --bg-dark: color-mix(in srgb, var(--black) 85%, var(--maroon) 15%);
    --panel-bg: color-mix(in srgb, var(--black) 70%, var(--gold-3) 6%);
    --card-bg: color-mix(in srgb, var(--black) 60%, var(--gold-4) 8%);
    --muted: color-mix(in srgb, var(--white) 72%, var(--black) 28%);
    --accent: var(--gold-2);
    --accent-strong: var(--scarlet);
    --accent-dark: color-mix(in srgb, var(--accent) 60%, var(--black) 40%);
    --text-primary: var(--white);
    --text-muted: color-mix(in srgb, var(--white) 72%, var(--black) 28%);
    --glass: rgba(255,255,255,0.04);
    --card-border: color-mix(in srgb, var(--white) 6%, var(--black) 94%);
    --radius: 10px;
    --max-width: 1100px;
    --gap: 18px;
}

/* -------------------------
   Reset and base
   ------------------------- */
* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

body {
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.45;
    background-color: var(--bg-dark);
    background-image: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.6));
    min-height: 100vh;
}

/* Utility wrapper */
.wrap {
    width: min(96%, var(--max-width));
    margin: 0 auto;
}

/* -------------------------
   Landing background layering
   ------------------------- */
/* Background image layer (fixed, behind everything) */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: url('../img/server-room.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: rgba(0,0,0,0.28);
    background-blend-mode: multiply;
    pointer-events: none;
}

/* Full-viewport gradient overlay (tint) */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient( 160deg, color-mix(in srgb, var(--gold-1) 12%, var(--black) 88%), color-mix(in srgb, var(--scarlet) 6%, var(--black) 94%) );
    opacity: 0.92;
}

/* Ensure UI sits above background layers */
.site-header,
.wrap,
.overlay,
.content {
    position: relative;
    z-index: 2;
}

/* Three.js canvas sits between background and UI but doesn't block interactions */
#three-container {
    position: relative;
    z-index: 1;
}

    #three-container canvas {
        display: block;
        width: 100% !important;
        height: 100% !important;
        pointer-events: none;
        z-index: 1;
    }

/* -------------------------
   Header
   ------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    backdrop-filter: blur(6px);
    background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.15));
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.brand {
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.05rem;
}

.main-nav a {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 14px;
    font-weight: 600;
    opacity: 0.95;
}

    .main-nav a.admin-link {
        color: var(--accent);
    }

/* -------------------------
   Landing-specific overrides
   ------------------------- */
/* Mark landing pages by adding `body.landing` in the template */
body.landing .site-header {
    display: none;
}

/* Make the content card visually transparent on landing */
body.landing .content {
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
    color: var(--text-primary);
    padding: 28px 12px;
}

/* Slightly reduce text shadow on landing for a cleaner look */
body.landing h1,
body.landing .subtitle {
    text-shadow: none;
}

/* -------------------------
   Overlay and content card
   ------------------------- */
.overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 72px);
    padding: 28px 0;
    /* overlay element itself is transparent because tint is handled by body::after */
}

.content {
    width: 100%;
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 40;
    padding: 28px;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.12));
    box-shadow: 0 8px 30px rgba(2,6,12,0.6);
}

/* Three container sizing */
#three-container {
    width: 100%;
    height: clamp(260px, 34vw, 480px);
    margin: 14px 0 18px;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: transparent;
    isolation: isolate;
}

/* -------------------------
   Typography
   ------------------------- */
h1 {
    margin: 6px 0;
    color: var(--text-primary);
    text-shadow: 0 6px 20px rgba(0,0,0,0.6);
    font-size: clamp(1.6rem, 3.6vw, 2.4rem);
}

.subtitle {
    color: var(--text-muted);
    margin-top: 8px;
    font-size: 0.98rem;
}

/* -------------------------
   Buttons (themed)
   ------------------------- */
.buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 10px;
    background: linear-gradient(180deg, var(--accent), var(--accent-dark));
    color: var(--black);
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(0,0,0,0.35);
    transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease;
    border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--black) 60%);
}

    .btn.ghost {
        background: transparent;
        border: 1px solid rgba(255,255,255,0.06);
        color: var(--text-primary);
        font-weight: 600;
    }

    .btn.warn {
        background: linear-gradient(180deg, var(--accent-strong), color-mix(in srgb, var(--accent-strong) 60%, var(--black) 40%));
        color: var(--white);
    }

/* Landing-specific button theme */
body.landing .btn {
    background: linear-gradient(180deg, var(--gold-2), color-mix(in srgb, var(--rust-1) 12%, var(--gold-2) 88%));
    color: var(--maroon);
    border: 1px solid color-mix(in srgb, var(--maroon) 12%, var(--gold-2) 88%);
    box-shadow: 0 8px 22px rgba(0,0,0,0.35);
}

    body.landing .btn.ghost {
        background: transparent;
        color: var(--gold-2);
        border: 1px solid rgba(235,184,105,0.18);
    }

.btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 36px rgba(0,0,0,0.45);
}

/* -------------------------
   Page sections and cards
   ------------------------- */
.page {
    padding: 28px 0;
}

    .page .lead {
        color: var(--text-muted);
        margin-bottom: 18px;
    }

.grid.two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap);
}

.card {
    background: var(--card-bg);
    padding: 16px;
    border-radius: 10px;
    border: 1px solid var(--card-border);
}

.simple-list, .goals {
    list-style: none;
    padding: 0;
    margin: 0;
}

    .simple-list li {
        padding: 8px 0;
        border-bottom: 1px dashed rgba(255,255,255,0.03);
    }

/* -------------------------
   Forms and flashes
   ------------------------- */
.form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 420px;
    margin: 0 auto;
}

    .form input[type="text"], .form input[type="password"], .form textarea {
        padding: 10px;
        border-radius: 8px;
        border: 1px solid rgba(255,255,255,0.06);
        background: rgba(255,255,255,0.02);
        color: var(--text-primary);
    }

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.flashes {
    list-style: none;
    padding: 0;
    margin: 8px 0;
}

.flash {
    padding: 8px 10px;
    border-radius: 8px;
}

    .flash.success {
        background: color-mix(in srgb, var(--accent) 12%, var(--black) 88%);
        color: var(--accent);
    }

    .flash.error {
        background: rgba(255,80,80,0.08);
        color: #ffb3b3;
    }

/* -------------------------
   Footer
   ------------------------- */
.site-footer {
    padding: 18px 0;
    color: var(--text-muted);
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.02);
    margin-top: 28px;
}

/* -------------------------
   Responsive adjustments
   ------------------------- */
@media (max-width: 900px) {
    .grid.two-col {
        grid-template-columns: 1fr;
    }

    .header-inner {
        padding: 10px;
    }

    .content {
        padding: 20px;
    }
}

@media (max-width: 720px) {
    body::after {
        opacity: 0.95;
    }

    body.landing .content {
        padding: 18px 12px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.4rem;
    }

    .btn {
        padding: 8px 12px;
    }

    #three-container {
        height: 40vh;
        min-height: 200px;
    }
}

/* -------------------------
   Accessibility helpers
   ------------------------- */
/* Ensure focus outlines are visible */
a:focus, button:focus, input:focus {
    outline: 3px solid color-mix(in srgb, var(--accent) 30%, var(--black) 70%);
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .btn, .content, .card {
        transition: none !important;
    }

    * {
        scroll-behavior: auto !important;
    }
}