:root {
    --crayon-red: #EF4444;
    --crayon-orange: #F97316;
    --crayon-yellow: #FBBF24;
    --crayon-green: #22C55E;
    --crayon-blue: #3B82F6;
    --crayon-purple: #A855F7;
    --crayon-pink: #EC4899;
    --paper: #FFFDF5;
    --chalkboard: #064E3B;
    --card-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; font-family: 'Nunito', 'Inter', system-ui, sans-serif; margin: 0; padding: 0; }
body {
    background: linear-gradient(135deg, var(--chalkboard) 0%, #022c22 100%);
    min-height: 100vh; padding: 0; color: #1F2937;
}

.container { max-width: 100%; margin: 0; padding: 20px; }

.header {
    background: var(--paper);
    border-radius: var(--radius-lg, 24px);
    padding: 20px 28px;
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
    display: flex; flex-wrap: wrap;
    align-items: center; justify-content: space-between;
    gap: 16px;
    border: 3px solid var(--crayon-yellow);
}
.header-title { display: flex; align-items: center; gap: 16px; }
.logo {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--crayon-blue), var(--crayon-purple));
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}
.header h1 { font-size: 1.5rem; font-weight: 800; color: #1F2937; }
.header-subtitle { color: #6B7280; font-size: 0.875rem; margin-top: 2px; font-weight: 600; }
.admin-link { color: #6B7280; font-weight: 700; font-size: 0.85rem; text-decoration: none; padding: 8px 16px; border-radius: 12px; transition: all 0.2s; }
.admin-link:hover { background: #F3F4F6; color: var(--crayon-blue); }

.filter-bar {
    display: flex; flex-wrap: wrap; gap: 8px;
    background: var(--paper); padding: 14px 20px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
}
.filter-label { font-weight: 700; color: #374151; display: flex; align-items: center; padding-right: 12px; border-right: 2px solid #E5E7EB; margin-right: 8px; }
.filter-btn {
    padding: 8px 18px; border-radius: 50px;
    border: 2px solid #E5E7EB; background: white;
    cursor: pointer; font-weight: 700; font-size: 0.85rem;
    transition: all 0.2s; color: #4B5563;
    font-family: 'Nunito', sans-serif;
}
.filter-btn:hover { border-color: var(--crayon-blue); color: var(--crayon-blue); transform: translateY(-2px); }
.filter-btn.active { background: linear-gradient(135deg, var(--crayon-green), #16A34A); color: white; border-color: transparent; box-shadow: 0 4px 12px rgba(34,197,94,0.3); }
.filter-btn.view-all { background: linear-gradient(135deg, var(--crayon-blue), #2563EB); color: white; border: none; }

.day-tabs { display: flex; gap: 6px; margin-bottom: 20px; flex-wrap: wrap; }
.day-tab {
    padding: 6px 12px; border-radius: 12px;
    border: 2px solid white; background: rgba(255,255,255,0.15);
    cursor: pointer; font-weight: 700; font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
    font-family: 'Nunito', sans-serif; transition: all 0.2s;
}
.day-tab:hover { background: rgba(255,255,255,0.25); color: white; }
.day-tab.active { background: var(--crayon-yellow); color: #1F2937; border-color: var(--crayon-yellow); }

.schedule-content { display: grid; gap: 20px; }

.squad-card {
    background: var(--paper);
    border-radius: 20px; padding: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.2s;
    border: 2px solid #E5E7EB;
}
.squad-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }

.squad-header {
    display: flex; flex-wrap: wrap; align-items: center;
    justify-content: space-between; gap: 16px;
    margin-bottom: 16px; padding-bottom: 12px;
    border-bottom: 2px solid #F3F4F6;
}
.squad-title { display: flex; align-items: center; gap: 12px; }
.squad-icon {
    width: 44px; height: 44px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: white;
}
.squad-name { font-size: 1.1rem; font-weight: 800; color: #1F2937; }
.squad-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.meta-badge { display: flex; align-items: center; gap: 6px; padding: 6px 12px; background: #F3F4F6; border-radius: 10px; font-size: 0.85rem; font-weight: 600; }
.meta-badge strong { color: #1F2937; font-weight: 700; }

.lessons-list { display: flex; flex-direction: column; gap: 10px; }
.lesson-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; border-radius: 14px;
    border-left: 5px solid;
    font-weight: 600;
}
.lesson-free { background: #EFF6FF; border-color: var(--crayon-blue); }
.lesson-paid { background: #FEF3C7; border-color: var(--crayon-yellow); }
.lesson-field-trip { background: #FFF7ED; border-color: #F97316; }
.lesson-time { font-weight: 700; color: #1F2937; min-width: 100px; font-size: 0.9rem; }
.lesson-name { font-weight: 600; color: #374151; flex: 1; }
.lesson-type { font-size: 0.75rem; padding: 4px 10px; border-radius: 8px; font-weight: 700; }
.type-free { background: var(--crayon-blue); color: white; }
.type-paid { background: var(--crayon-yellow); color: #1F2937; }
.type-field-trip { background: #F97316; color: white; }

.empty-day { text-align: center; padding: 40px; color: rgba(255,255,255,0.5); font-size: 0.9rem; font-weight: 600; }
.empty-card { text-align: center; padding: 20px; color: #9CA3AF; font-weight: 600; }

.color-1 { background: linear-gradient(135deg, var(--crayon-pink), #DB2777); }
.color-2 { background: linear-gradient(135deg, var(--crayon-blue), #2563EB); }
.color-3 { background: linear-gradient(135deg, var(--crayon-green), #16A34A); }
.color-4 { background: linear-gradient(135deg, var(--crayon-yellow), #D97706); }
.color-5 { background: linear-gradient(135deg, var(--crayon-purple), #7C3AED); }
.color-6 { background: linear-gradient(135deg, var(--crayon-red), #DC2626); }

.squad-icons { font-size: 24px; }

footer { text-align: center; margin-top: 32px; padding: 20px; }
footer a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.875rem; font-weight: 600; }
footer a:hover { color: white; }

@media (max-width: 768px) {
    .container { padding: 12px; }
    .header { padding: 16px 20px; flex-direction: column; align-items: flex-start; }
    .squad-card { padding: 16px; }
    .filter-bar { margin: 0 0 16px 0; }
    .day-tab { font-size: 0.75rem; padding: 5px 10px; }
}