/* ============================================
   LỊCH VẠN SỰ - STYLESHEET
   Chuẩn hóa CSS cho tất cả các trang lịch vạn sự
   ============================================ */

/* === 1. FONT SIZE - CHỈ 3 CỠ === */
:root {
    --font-large: 1.1rem;
    --font-medium: 1rem;
    --font-small: 0.9rem;
    --color-primary: #1e3a8a;        /* Navy Blue - nghiêm túc, chuyên nghiệp */
    --color-primary-light: #3b82f6;  /* Bright Blue */
    --color-primary-dark: #1e293b;   /* Dark Slate */
    --color-accent: #d97706;         /* Bronze/Amber - điểm nhấn sang trọng */
    --color-accent-dark: #92400e;    /* Dark Bronze */
}

/* === 2. BASE === */
* { box-sizing: border-box; }
html, body { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; 
    font-size: var(--font-medium); 
    line-height: 1.5;
    margin: 0 !important;
    padding: 0 !important;
}

.App { margin: 0; padding: 0; }
.max-w-6xl { margin-top: 0 !important; padding-top: 0.5rem !important; }

/* === 3. TYPOGRAPHY === */
h1, h2, h3, h4, .text-title { 
    font-size: var(--font-large) !important; 
    font-weight: 700;
    margin-top: 0 !important;
    padding-top: 0.5rem;
}
p, span, div, .text-body { font-size: var(--font-medium); }
small, .text-small, .text-note { font-size: var(--font-small); }

/* === 4. TABS === */
.tab-button {
    background: #fff !important;
    color: #1f2937 !important;
    border: 3px solid #6b7280 !important;
    border-radius: 8px;
    padding: 1rem 1.5rem;
    font-size: var(--font-large);
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: none;
}

.tab-button:hover:not(.active) {
    background: #f1f5f9 !important;
    border-color: var(--color-primary) !important;
    color: var(--color-primary) !important;
}

.tab-button.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important;
    color: #fff !important;
    border-color: var(--color-primary-dark) !important;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.tab-content { display: none !important; }
.tab-content.active { display: block !important; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === 5. CALENDAR TABLE === */
.calendar-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-medium);
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.calendar-table th {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%) !important;
    color: white !important;
    padding: 0.75rem 0.5rem;
    font-size: var(--font-large) !important;
    font-weight: 600;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Force override Tailwind */
.calendar-table thead tr th {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%) !important;
    color: white !important;
}

.calendar-table td {
    padding: 0.5rem;
    border: 1px solid #e5e7eb;
    vertical-align: top;
    min-height: 80px;
    position: relative;
    transition: all 0.2s ease;
    cursor: pointer;
}

.calendar-table td:hover {
    background: #f8fafc;
    box-shadow: inset 0 0 0 2px var(--color-accent);
}

/* Calendar Day Elements */
.calendar-day { position: relative; min-height: 70px; }
.day-number { 
    font-size: var(--font-large) !important; 
    font-weight: 700;
    color: #1f2937;
    position: absolute;
    top: 4px;
    left: 4px;
}

.day-score { 
    font-size: var(--font-large) !important; 
    font-weight: 700;
    position: absolute;
    top: 4px;
    right: 4px;
}

.day-lunar { 
    font-size: var(--font-small) !important; 
    color: #6b7280;
    position: absolute;
    bottom: 4px;
    right: 4px;
}

/* Day States */
.calendar-day.today-border,
td .calendar-day.today-border,
.calendar-table td .calendar-day.today-border {
    border: 3px solid #dc2626 !important;
    border-color: #dc2626 !important;
    background: rgba(220, 38, 38, 0.08) !important;
    background-color: rgba(220, 38, 38, 0.08) !important;
    box-shadow: 0 0 0 1px #b91c1c inset !important;
}

/* Demo cell for legend table */
.demo-today-cell {
    border: 3px solid #dc2626 !important;
    border-color: #dc2626 !important;
    background: rgba(220, 38, 38, 0.08) !important;
    background-color: rgba(220, 38, 38, 0.08) !important;
}

.calendar-day.hoang-dao {
    background: linear-gradient(135deg, #fef3c7 0%, #fcd34d 100%);
    border-left: 3px solid var(--color-accent);
}

.calendar-day.xung-tuoi {
    background: #f3f4f6;
    color: #9ca3af;
}

/* === 6. SECTION HEADERS === */
.section-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    padding: 0.75rem 1rem;
    font-size: var(--font-large) !important;
    font-weight: 600;
    border-radius: 6px;
    margin: 1rem 0 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-left: 4px solid var(--color-accent);
}

.section-header .icon { font-size: 1.25rem; }

/* === 7. INFO GRID === */
.info-grid {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    font-size: var(--font-medium);
}

.info-grid-label {
    background: #f8fafc;
    padding: 0.75rem 1rem;
    border-right: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
    font-weight: 600;
    color: #334155;
}

.info-grid-value {
    background: white;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e5e7eb;
    color: #1f2937;
}

.info-grid > :nth-last-child(-n+2) {
    border-bottom: none;
}

/* === 8. BADGES === */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-small);
    font-weight: 600;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success { background: #d1fae5; color: #065f46; border: 1px solid #059669; }
.badge-danger { background: #fee2e2; color: #991b1b; border: 1px solid #dc2626; }
.badge-warning { background: #fef3c7; color: #92400e; border: 1px solid #d97706; }
.badge-info { background: #dbeafe; color: #1e40af; border: 1px solid #3b82f6; }
.badge-primary { background: #dbeafe; color: var(--color-primary); border: 1px solid var(--color-primary); }

/* === 9. COLORS === */
.text-positive, .positive { color: #10b981 !important; font-weight: 600; }
.text-negative, .negative { color: #ef4444 !important; font-weight: 600; }
.text-neutral, .neutral { color: #6b7280 !important; }

.bg-positive { background: #d1fae5 !important; }
.bg-negative { background: #fee2e2 !important; }
.bg-neutral { background: #f3f4f6 !important; }
.bg-special { background: #fef3c7 !important; }

/* === 10. FORMS === */
select, input[type="text"], input[type="number"] {
    background: white;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-size: var(--font-medium);
    transition: all 0.2s ease;
}

select:focus, input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

button[type="submit"], .btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-medium);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.25);
}

button[type="submit"]:hover, .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.35);
    background: linear-gradient(135deg, var(--color-primary-dark), #0f172a);
}

/* === 11. CARDS === */
.card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    margin-bottom: 1rem;
    border: 1px solid #e2e8f0;
}

.card-header {
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    font-size: var(--font-large);
    font-weight: 700;
    color: var(--color-primary-dark);
}

/* === 12. LISTS === */
.list-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #f3f4f6;
    transition: background 0.2s ease;
}

.list-item:hover {
    background: #f9fafb;
}

.list-item:last-child {
    border-bottom: none;
}

/* === 13. SCROLLBAR === */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* === 14. MOBILE RESPONSIVE === */
@media (max-width: 768px) {
    :root {
        --font-large: 1rem;
        --font-medium: 0.95rem;
        --font-small: 0.85rem;
    }

    .tab-button {
        padding: 0.75rem 1rem;
        font-size: var(--font-medium);
        border-width: 2px !important;
    }

    .calendar-table th {
        padding: 0.5rem 0.25rem;
        font-size: var(--font-medium) !important;
    }

    .calendar-table td {
        padding: 0.25rem;
        min-height: 60px;
    }

    .info-grid {
        grid-template-columns: 100px 1fr;
    }

    .info-grid-label, .info-grid-value {
        padding: 0.5rem 0.75rem;
    }

    .card {
        padding: 1rem;
    }

    .section-header {
        padding: 0.5rem 0.75rem;
        font-size: var(--font-medium) !important;
    }
}

/* === 15. PRINT === */
@media print {
    .tab-button, button, select { display: none !important; }
    .calendar-table td { border: 1px solid #ccc; }
    * { box-shadow: none !important; }
}

/* === 16. ANIMATIONS === */
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-slide-down { animation: slideDown 0.3s ease; }

/* === 17. UTILITIES === */
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.rounded { border-radius: 8px; }
.shadow { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }

/* === 18. CUSTOM CLASSES - Thay thế Tailwind Purple === */
/* Profile Meta */
.profile-meta { font-size: var(--font-small); font-weight: 600; }
.text-primary { color: var(--color-primary) !important; }
.text-primary-dark { color: var(--color-primary-dark) !important; }
.text-accent { color: var(--color-accent) !important; }

/* Section Headers - Gradient Navy to Bronze */
.header-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent-dark) 100%);
}

.header-gradient-alt {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
}

/* Calendar Header Row */
.calendar-header-row {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%) !important;
}

.calendar-header-cell {
    color: white !important;
    font-weight: 700;
    padding: 0.5rem;
    text-align: center;
    background: transparent !important;
}

/* Nav Buttons */
.nav-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-primary);
    color: white;
    border-radius: 9999px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(30, 58, 138, 0.3);
}

.nav-button:hover {
    background: var(--color-primary-dark);
    transform: scale(1.05);
}

/* Form Inputs with Focus */
.input-focus:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(30, 58, 138, 0.15);
    ring-width: 1px;
    ring-color: var(--color-primary);
}

/* Info Boxes */
.info-box-primary {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    padding: 0.75rem;
}

.info-box-primary .info-title {
    color: var(--color-primary-dark);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.info-box-accent {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 2px solid var(--color-accent);
    border-radius: 8px;
    padding: 0.75rem;
}

.info-box-accent .info-title {
    color: var(--color-accent-dark);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

/* Alert Box */
.alert-box {
    background: #fef3c7;
    border-left: 4px solid var(--color-accent);
    padding: 0.75rem;
    border-radius: 6px;
}

/* Lunar Text */
.lunar-date-text {
    color: var(--color-accent-dark);
    font-weight: 600;
}

/* Badge for Levels */
.badge-level {
    background: #dbeafe;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

/* Truc Span */
.truc-name {
    font-weight: 600;
    color: var(--color-primary-dark);
}

/* Form Box */
.form-box-border {
    border: 2px solid var(--color-primary);
}

.form-box-title {
    color: var(--color-primary-dark);
}

/* Primary Button Gradient */
.btn-primary-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.btn-primary-gradient:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0f172a 100%);
}

/* Result Title */
.result-title {
    color: var(--color-primary-dark);
}

/* Spinner Border */
.spinner-border {
    border-color: var(--color-primary);
    border-top-color: transparent;
}

/* Background Light Primary */
.bg-light-primary {
    background: #dbeafe;
}

/* Result Card Border */
.result-card-border {
    border: 1px solid var(--color-primary);
}

/* Bullet Point */
.bullet-primary {
    color: var(--color-primary);
}