:root {
    --primary: #6350ff;
    --primary-deep: #4730ea;
    --primary-glow: rgba(99, 80, 255, 0.42);
    --accent: #27d0dc;
    --accent-soft: rgba(39, 208, 220, 0.16);
    --accent-2: #7de7f0;
    --bg: #0b0820;
    --bg-2: #161039;
    --card-bg: rgba(20, 14, 52, 0.78);
    --text: #f8fafc;
    --text-dim: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.12);
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --dashboard-width: 800px;
    --success: #38d39f;
    --danger: #fb7185;
}

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

body {
    font-family: 'Outfit', 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    letter-spacing: -0.01em;
}

.text-dim { color: var(--text-dim); }
.hidden { display: none !important; }

.glass-bg {
    position: fixed;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(39,208,220,.28) 0%, transparent 52%),
        radial-gradient(ellipse 70% 50% at 80% 25%, rgba(99,80,255,.34) 0%, transparent 48%),
        radial-gradient(circle at 50% 100%, rgba(8,6,26,.96) 0%, var(--bg) 66%);
    z-index: -1;
    animation: rotate 28s linear infinite;
}
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem 1rem;
    background: rgba(11, 8, 32, 0.82);
    backdrop-filter: blur(10px);
    position: sticky; top: 0; z-index: 100;
    border-bottom: 1px solid var(--glass-border);
}
.logo-link { text-decoration: none; display: flex; align-items: center; gap: .5rem; }
.logo-icon { width: 32px; height: 32px; border-radius: 8px; }
.logo-wordmark { height: 34px; width: auto; display: block; }
.nav-right { display: flex; align-items: center; gap: 1.25rem; }
.nav-links { display: flex; gap: .5rem; }
.nav-link {
    padding: .5rem 1rem;
    border-radius: 8px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: all .2s;
}
.nav-link:hover, .nav-link.active {
    color: var(--text);
    background: linear-gradient(135deg, rgba(99,80,255,.2), rgba(39,208,220,.16));
    box-shadow: inset 0 0 0 1px rgba(125,231,240,.08);
}
.auth-ui { display: flex; align-items: center; gap: .75rem; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .6rem 1.25rem;
    border-radius: 10px;
    border: none;
    font-family: inherit;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s var(--ease-out);
    text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-deep), var(--primary) 60%, var(--accent));
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 28px var(--primary-glow); }
.btn-secondary {
    background: rgba(255,255,255,.05);
    color: var(--text);
    border: 1px solid var(--glass-border);
}
.btn-secondary:hover { background: linear-gradient(135deg, rgba(99,80,255,.14), rgba(39,208,220,.12)); }
.btn-ghost { background: transparent; color: var(--text-dim); border: none; }
.btn-ghost:hover { color: var(--text); }
.btn-sm { padding: .4rem .85rem; font-size: .82rem; }
.btn.is-disabled,
.btn.is-disabled:hover {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  pointer-events: none;
}
.btn-google {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .55rem 1.1rem;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(99,80,255,.12), rgba(39,208,220,.08));
    border: 1px solid var(--glass-border);
    color: var(--text);
    font-size: .9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all .2s;
}
.btn-google img { width: 18px; height: 18px; }
.btn-google:hover { background: linear-gradient(135deg, rgba(99,80,255,.18), rgba(39,208,220,.14)); }
.btn-danger { background: rgba(239,68,68,.15); color: var(--danger); border: 1px solid rgba(239,68,68,.25); }

/* Container */
.container {
    max-width: var(--dashboard-width);
    margin: 0 auto;
    padding: 1.25rem 1.5rem 2rem;
    flex: 1 0 auto;
    width: 100%;
}

/* Glass card */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 20px 56px rgba(7, 5, 24, 0.32);
}

/* Hero */
.hero {
    text-align: center;
    padding: 4rem 1.5rem 3rem;
}
.hero-eyebrow {
    text-transform: uppercase;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .15em;
    color: var(--primary);
    margin-bottom: .75rem;
}
.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 20%, var(--accent-2) 48%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-sub {
    font-size: 1.1rem;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Features grid */
.features { padding: 2rem 1.5rem 3rem; max-width: 900px; margin: 0 auto; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 1.25rem;
    transition: transform .2s var(--ease-out);
}
.feature-card:hover { transform: translateY(-2px); }
.feature-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(39,208,220,.18), rgba(99,80,255,.18));
    display: flex; align-items: center; justify-content: center;
    margin-bottom: .75rem;
    color: var(--primary);
}
.feature-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: .35rem; color: #fcfdff; }
.feature-card p { font-size: .85rem; color: var(--text-dim); line-height: 1.5; }

/* Download section */
.download-section { padding: 2rem 1.5rem 3rem; max-width: 700px; margin: 0 auto; text-align: center; }
.download-grid { display: flex; gap: 1.25rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }
.download-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 1.5rem 2rem;
    min-width: 200px;
    text-align: center;
    box-shadow: 0 18px 45px rgba(7, 5, 24, 0.28);
}
.download-card h4 { font-size: 1rem; margin-bottom: .5rem; }
.download-card p { font-size: .8rem; color: var(--text-dim); margin-bottom: 1rem; }
.os-badge { font-size: .7rem; color: var(--success); margin-top: .5rem; }

/* Setup / FAQ */
.info-section { padding: 2rem 1.5rem 3rem; max-width: 700px; margin: 0 auto; }
.info-section h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.25rem; }
.setup-steps { list-style: none; counter-reset: step; }
.setup-steps li {
    counter-increment: step;
    padding: .75rem 0;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-dim);
    line-height: 1.6;
    font-size: .92rem;
}
.setup-steps li::before {
    content: counter(step);
    display: inline-flex; align-items: center; justify-content: center;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(39,208,220,.16), rgba(99,80,255,.18));
    color: var(--primary);
    font-weight: 700;
    font-size: .8rem;
    margin-right: .75rem;
}
.faq-item { margin-bottom: 1rem; }
.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    padding: .6rem 0;
    color: var(--text);
    font-size: .95rem;
}
.faq-item p { color: var(--text-dim); line-height: 1.6; font-size: .88rem; padding: .25rem 0 .5rem; }

/* Dashboard sections */
.section-title { font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; color: var(--primary); margin-bottom: .35rem; }
.section-heading { font-size: 1.35rem; font-weight: 700; margin-bottom: .5rem; }
.section-sub { color: var(--text-dim); font-size: .9rem; margin-bottom: 1.25rem; line-height: 1.5; }

/* Form fields */
.field-group { margin-bottom: 1rem; }
.field-label { display: block; font-size: .82rem; font-weight: 600; color: var(--text-dim); margin-bottom: .3rem; }
input[type="text"], input[type="number"], input[type="email"], select, textarea {
    width: 100%;
    padding: .55rem .85rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: rgba(255,255,255,.04);
    color: var(--text);
    font-family: inherit;
    font-size: .9rem;
    transition: border-color .2s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
.glass-select { appearance: none; cursor: pointer; }
.glass-input { appearance: none; }

/* Upload zone */
.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: 14px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s;
    margin-bottom: 1.25rem;
}
.upload-zone:hover { border-color: var(--primary); }
.upload-zone p { color: var(--text-dim); margin-top: .5rem; }
.upload-zone span { color: var(--primary); font-weight: 600; }
.upload-zone small { display: block; margin-top: .25rem; color: var(--text-dim); font-size: .78rem; }
.upload-zone svg { color: var(--primary); }

/* Token block */
.token-block { margin-top: 1rem; }
.token-value {
    background: rgba(0,0,0,.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: .6rem .85rem;
    font-family: 'Fira Code', monospace, monospace;
    font-size: .78rem;
    word-break: break-all;
    color: var(--text-dim);
    margin-top: .5rem;
    white-space: pre-wrap;
}
.token-actions { display: flex; gap: .5rem; margin-top: .75rem; flex-wrap: wrap; }

/* Settings grid */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
@media (max-width: 550px) { .settings-grid { grid-template-columns: 1fr; } }
.iv-check { display: flex; align-items: center; gap: .5rem; font-size: .88rem; color: var(--text-dim); cursor: pointer; }
.iv-check input[type="checkbox"] { accent-color: var(--primary); width: 16px; height: 16px; }

/* Session history / cards */
.history-list { display: flex; flex-direction: column; gap: .75rem; margin-top: 1rem; }
.history-card {
    background: rgba(255,255,255,.04);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: .85rem 1rem;
}
.history-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .25rem; }
.history-card h4 { font-size: .92rem; font-weight: 600; }
.history-card .meta { font-size: .78rem; color: var(--text-dim); }
.history-card p { font-size: .85rem; color: var(--text-dim); line-height: 1.5; }
.card-actions { display: flex; gap: .5rem; margin-top: .5rem; }

/* Status badge */
.status-badge { font-size: .82rem; color: var(--text-dim); padding: .25rem 0; }
.status-badge.success { color: var(--success); }
.status-badge.error { color: var(--danger); }

/* User profile display */
.user-profile { display: flex; align-items: center; gap: .75rem; }
.user-profile span { font-size: .88rem; color: var(--text-dim); }
.logout-link { font-size: .82rem; color: var(--text-dim); text-decoration: none; }
.logout-link:hover { color: var(--text); }

/* Guide details */
.guide details { margin-bottom: .75rem; }
.guide summary {
    cursor: pointer; font-weight: 600; color: var(--text); font-size: .95rem;
    padding: .6rem 0; border-bottom: 1px solid var(--glass-border);
}
.guide-body { padding: .75rem 0; color: var(--text-dim); font-size: .88rem; line-height: 1.6; }
.guide-body h4 { color: var(--text); margin: .75rem 0 .35rem; font-size: .92rem; }
.guide-body ul { padding-left: 1.25rem; }
.guide-body li { margin-bottom: .35rem; }

/* Footer */
.site-footer {
    border-top: 1px solid var(--glass-border);
    padding: 1.5rem 2rem;
    margin-top: auto;
}
.site-footer-inner {
    max-width: var(--dashboard-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.site-footer-brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--text-dim); font-weight: 600; font-size: .9rem; }
.site-footer-brand img { height: 24px; width: auto; display: block; }
.site-footer-links { display: flex; gap: 1.25rem; }
.site-footer-links a { color: var(--text-dim); text-decoration: none; font-size: .82rem; }
.site-footer-links a:hover { color: var(--text); }
.site-footer-copy { font-size: .78rem; }

/* Snackbar */
.snackbar {
    position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(120%);
    background: rgba(15,23,42,.95); border: 1px solid var(--glass-border);
    border-radius: 12px; padding: .65rem 1.25rem;
    font-size: .85rem; color: var(--text);
    box-shadow: 0 8px 32px rgba(0,0,0,.4);
    transition: transform .3s var(--ease-out);
    z-index: 9999;
    pointer-events: none;
}
.snackbar.show { transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* Responsive */
@media (max-width: 640px) {
    .navbar { flex-direction: column; gap: .75rem; padding: 1rem; }
    .nav-links { flex-wrap: wrap; justify-content: center; }
    .hero { padding: 2.5rem 1rem 2rem; }
    .hero h1 { font-size: 1.8rem; }
    .container { padding: 1rem; }
    .download-grid { flex-direction: column; }
    .settings-grid { grid-template-columns: 1fr; }
}