@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; background: #0a0a0f; min-height: 100vh; color: #e2e8f0; }
.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; margin-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.logo { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: -0.5px; display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.nav-btn { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); color: #94a3b8; padding: 10px 22px; border-radius: 10px; text-decoration: none; font-weight: 500; font-size: 14px; transition: all 0.2s; }
.nav-btn:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.2); }

/* Cards */
.card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 20px; padding: 40px; margin-bottom: 24px; }
.card-hero { text-align: center; padding: 60px 40px; }
.card-hero h1 { font-size: 42px; font-weight: 800; color: #fff; margin-bottom: 16px; letter-spacing: -1px; }
.card-hero p { font-size: 18px; color: #64748b; max-width: 500px; margin: 0 auto 32px; line-height: 1.6; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 12px; font-weight: 600; font-size: 15px; cursor: pointer; transition: all 0.2s; border: none; text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); color: #fff; box-shadow: 0 4px 20px rgba(99,102,241,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,0.4); }
.btn-secondary { background: rgba(255,255,255,0.05); color: #94a3b8; border: 1px solid rgba(255,255,255,0.1); }
.btn-secondary:hover { background: rgba(255,255,255,0.1); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 13px; border-radius: 8px; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 100px; font-size: 12px; font-weight: 600; }
.badge-guest { background: rgba(245,158,11,0.15); color: #f59e0b; border: 1px solid rgba(245,158,11,0.2); }
.badge-perm { background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.2); }
.badge-active { background: rgba(16,185,129,0.15); color: #10b981; }
.badge-expired { background: rgba(239,68,68,0.15); color: #ef4444; }

/* Forms */
input { width: 100%; padding: 14px 18px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; color: #fff; font-size: 15px; margin-bottom: 16px; outline: none; transition: all 0.2s; font-family: inherit; }
input:focus { border-color: #6366f1; background: rgba(255,255,255,0.05); }
input::placeholder { color: #475569; }
.form-group { margin-bottom: 4px; }

/* Links */
.link { color: #818cf8; text-decoration: none; font-weight: 500; transition: color 0.2s; }
.link:hover { color: #a5b4fc; }

/* Alerts */
.alert { padding: 16px 20px; border-radius: 12px; margin-bottom: 20px; font-size: 14px; }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); color: #ef4444; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.2); color: #10b981; }

/* Config list */
.config-card { background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.06); border-radius: 16px; padding: 24px; margin-bottom: 16px; }
.config-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.config-ip { font-size: 20px; font-weight: 700; color: #fff; }
.config-meta { color: #475569; font-size: 13px; margin-top: 4px; }

/* Chromebook guide */
.guide { background: rgba(255,255,255,0.02); border-radius: 16px; padding: 28px; margin-top: 20px; }
.guide h3 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.guide-table { width: 100%; border-collapse: collapse; }
.guide-table td { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 14px; }
.guide-table td:first-child { color: #64748b; font-weight: 500; width: 35%; }
.guide-table td:last-child { color: #e2e8f0; font-family: 'Courier New', monospace; font-size: 13px; }
.guide-table tr:last-child td { border-bottom: none; }
.key-cell { word-break: break-all; color: #818cf8 !important; }

/* Footer note */
.note { text-align: center; color: #475569; font-size: 14px; margin-top: 24px; }