:root {
    --bg: #efece9;
    --panel: #ffffff;
    --ink: #192524;
    --muted: #5f6863;
    --line: #d0d5ce;
    --soft: #d1ebdb;
    --accent: #3c5759;
    --accent-2: #959d90;
    --danger: #8b2d2d;
    --success: #255e3d;
    --shadow: 0 16px 40px rgba(25, 37, 36, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Inter', sans-serif; color: var(--ink); background: linear-gradient(180deg, #f7f4f1 0%, var(--bg) 100%); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, textarea { font: inherit; }
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 32px 16px; }
.auth-wrap { width: min(100%, 980px); }
.auth-panel { background: var(--panel); border: 1px solid rgba(25, 37, 36, 0.08); border-radius: 28px; box-shadow: var(--shadow); padding: 32px; }
.auth-panel-wide { max-width: 980px; }
.brand-mark { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.brand-mark svg { width: 48px; height: 48px; }
.brand-mark span { display: block; font-size: 14px; color: var(--muted); }
.panel-subtitle { margin: 0 0 24px; color: var(--muted); max-width: 58ch; }
.auth-links { margin-top: 20px; display: flex; gap: 18px; flex-wrap: wrap; }
.stack-md { display: grid; gap: 16px; }
.grid-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field-span-2 { grid-column: 1 / -1; }
.field { display: grid; gap: 8px; }
.field span { font-size: 14px; font-weight: 700; }
.field input, .field textarea, .field select { width: 100%; border-radius: 14px; border: 1px solid var(--line); background: #fff; min-height: 48px; padding: 12px 14px; color: var(--ink); }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid rgba(60, 87, 89, 0.18); border-color: var(--accent); }
.captcha-box { padding: 12px; border-radius: 16px; background: #f6faf7; border: 1px solid var(--line); }
.btn { appearance: none; border: 0; border-radius: 14px; padding: 12px 18px; cursor: pointer; font-weight: 700; transition: transform .15s ease, box-shadow .15s ease; }
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-block { width: 100%; }
.btn-primary { background: var(--ink); color: #fff; box-shadow: 0 12px 24px rgba(25, 37, 36, 0.18); }
.btn-secondary { background: var(--soft); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.flash-stack { display: grid; gap: 12px; margin-bottom: 20px; }
.alert { padding: 14px 16px; border-radius: 14px; border: 1px solid transparent; background: #fff; }
.alert ul { margin: 0; padding-left: 18px; }
.alert-error { background: #fff7f6; border-color: rgba(139, 45, 45, 0.2); color: var(--danger); }
.alert-success { background: #f3fbf6; border-color: rgba(37, 94, 61, 0.2); color: var(--success); }
.alert-info, .alert-warning { background: #f8fbfd; border-color: rgba(60, 87, 89, 0.14); }
.app-page { min-height: 100vh; }
.app-shell { display: grid; grid-template-columns: 300px minmax(0, 1fr); min-height: 100vh; }
.sidebar { padding: 24px; background: #15201f; color: #fff; display: flex; flex-direction: column; gap: 28px; }
.sidebar-brand { display: flex; align-items: center; gap: 14px; color: #fff; text-decoration: none; }
.sidebar-brand svg { width: 48px; height: 48px; }
.sidebar-brand span { display: grid; }
.sidebar-brand small { color: rgba(255,255,255,0.72); }
.sidebar-nav { display: grid; gap: 8px; }
.nav-link { color: rgba(255,255,255,0.85); padding: 12px 14px; border-radius: 12px; text-decoration: none; }
.nav-link:hover, .nav-link.active { background: rgba(209, 235, 219, 0.12); color: #fff; text-decoration: none; }
.sidebar-note { margin-top: auto; padding: 16px; border-radius: 18px; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.86); }
.app-main { padding: 28px; }
.app-topbar { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.eyebrow { margin: 0 0 6px; text-transform: uppercase; font-size: 12px; letter-spacing: .12em; color: var(--muted); }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.user-chip { display: grid; gap: 2px; text-align: right; }
.user-chip span { color: var(--muted); font-size: 14px; }
.content-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.card { grid-column: span 4; background: var(--panel); border-radius: 22px; border: 1px solid rgba(25, 37, 36, 0.08); box-shadow: var(--shadow); padding: 22px; }
.hero-card { grid-column: span 8; }
.full-width { grid-column: 1 / -1; }
.stat-value { font-size: 24px; font-weight: 800; margin: 8px 0 4px; }
.card-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.feature-list { margin: 14px 0 0; padding-left: 18px; display: grid; gap: 8px; }
.muted { color: var(--muted); }
.placeholder-box { margin-top: 18px; padding: 18px; border-radius: 18px; background: #f7faf8; border: 1px dashed var(--accent-2); }
@media (max-width: 960px) { .app-shell { grid-template-columns: 1fr; } .sidebar { gap: 18px; } .content-grid { grid-template-columns: 1fr; } .card, .hero-card, .full-width { grid-column: auto; } }
@media (max-width: 720px) { .grid-form { grid-template-columns: 1fr; } .field-span-2 { grid-column: auto; } .auth-panel, .app-main, .sidebar { padding: 20px; } .auth-links, .app-topbar, .topbar-actions, .card-actions { flex-direction: column; align-items: stretch; } .user-chip { text-align: left; } }