/**
 * Novak Tennis Club - Dashboard Styles
 * Deep Green + Gold brand theme with luxury tennis aesthetic
 */

/* ========== CSS VARIABLES ========== */
:root {
    /* Novak Tennis Club Brand Colors */
    --green-primary: #1A472A;
    --green-light: #2D6A3E;
    --green-dark: #0D2A18;
    --green-50: #F2F6F3;
    --green-100: #D5E5D9;
    --green-200: #B0CDB8;

    /* Gold Accent */
    --gold-accent: #C9A227;
    --gold-light: #dbb94d;

    /* Text Colors */
    --text-dark: #333333;
    --text-medium: #555555;
    --text-light: #777777;
    --text-muted: #999999;

    /* Background Colors */
    --bg-cream: #F5F5F0;
    --bg-warm: #F8F6F2;
    --bg-white: #FFFFFF;

    /* Border Colors */
    --border-light: #D5D5C8;
    --border-medium: #B8B8A8;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-green: 0 4px 12px rgba(26, 71, 42, 0.15);

    /* Status Colors */
    --success-green: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --danger-red: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.1);
    --warning-amber: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.1);
    --info-blue: #2563eb;
    --info-light: rgba(37, 99, 235, 0.1);
}

/* ========== BASE RESET ========== */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'articulat-cf', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== PAGE LAYOUT ========== */
.ntc-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
}

/* ========== PAGE TITLE BAR ========== */
.page-title-bar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    padding: 24px 32px;
    margin-bottom: 32px;
}

.page-title-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-title {
    font-family: 'big-caslon-fb', Georgia, serif;
    font-size: 28px;
    font-weight: 500;
    color: var(--text-dark);
    margin: 0 0 4px 0;
}

.page-subtitle {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========== SECTION HEADERS ========== */
.section-header {
    font-family: 'big-caslon-fb', Georgia, serif;
    font-size: 20px;
    font-weight: 500;
    color: var(--text-dark);
    margin: 0;
}

.numbered-indicator {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--green-primary), var(--green-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'big-caslon-fb', Georgia, serif;
    font-size: 14px;
    font-weight: 500;
    color: white;
}

.section-divider {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-light), transparent);
}

/* ========== STAT CARDS ========== */
.stat-number {
    font-family: 'big-caslon-fb', Georgia, serif;
    font-size: 32px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.stat-number-green {
    color: var(--green-primary);
}

.stat-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========== PROGRESS BAR ========== */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--green-50);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green-primary), var(--green-light));
    border-radius: 4px;
    transition: width 0.6s ease;
}

.progress-bar-fill.completed {
    background: var(--success-green);
}

/* ========== PHASE TIMELINE ========== */
.phase-timeline {
    display: flex;
    gap: 2px;
    margin: 24px 0;
}

.phase-step {
    flex: 1;
    padding: 16px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    text-align: center;
    position: relative;
    transition: all 0.2s ease;
}

.phase-step.active {
    border-color: var(--green-primary);
    background: var(--green-50);
}

.phase-step.completed {
    border-color: var(--success-green);
    background: var(--success-light);
}

.phase-step-number {
    font-family: 'big-caslon-fb', Georgia, serif;
    font-size: 24px;
    font-weight: 500;
    color: var(--text-muted);
}

.phase-step.active .phase-step-number {
    color: var(--green-primary);
}

.phase-step.completed .phase-step-number {
    color: var(--success-green);
}

.phase-step-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-family: 'articulat-cf', sans-serif;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--green-primary), var(--green-dark));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--green-dark), #061a0d);
    transform: translateY(-1px);
    box-shadow: var(--shadow-green);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-medium);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    border-color: var(--green-primary);
    color: var(--green-primary);
    background: var(--green-50);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 11px;
}

/* ========== CARDS ========== */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 24px;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: var(--green-light);
    box-shadow: var(--shadow-green);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.card-title {
    font-family: 'big-caslon-fb', Georgia, serif;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-dark);
    margin: 0;
}

/* ========== FORM ELEMENTS ========== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-family: 'articulat-cf', sans-serif;
    font-size: 14px;
    color: var(--text-dark);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--green-primary);
    box-shadow: 0 0 0 3px rgba(26, 71, 42, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* ========== TABLES ========== */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-light);
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
}

.table tr:hover {
    background: var(--green-50);
}

/* ========== BADGES ========== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 4px;
}

.badge-success {
    background: var(--success-light);
    color: var(--success-green);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning-amber);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger-red);
}

.badge-info {
    background: var(--info-light);
    color: var(--info-blue);
}

.badge-primary {
    background: var(--green-100);
    color: var(--green-primary);
}

.badge-muted {
    background: #f3f4f6;
    color: var(--text-muted);
}

/* ========== TABS ========== */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 24px;
}

.tab {
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.tab:hover {
    color: var(--text-dark);
}

.tab.active {
    color: var(--green-primary);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--green-primary);
}

/* ========== LOADING STATES ========== */
.skeleton {
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(26, 71, 42, 0.2);
    border-radius: 50%;
    border-top-color: var(--green-primary);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== ALERTS ========== */
.alert {
    padding: 16px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.alert-success {
    background: var(--success-light);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success-green);
}

.alert-warning {
    background: var(--warning-light);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: var(--warning-amber);
}

.alert-danger {
    background: var(--danger-light);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger-red);
}

.alert-info {
    background: var(--info-light);
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--info-blue);
}

/* ========== EMPTY STATES ========== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    background: var(--green-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 20px;
    color: var(--green-primary);
}

.empty-state-title {
    font-family: 'big-caslon-fb', Georgia, serif;
    font-size: 20px;
    font-weight: 500;
    color: var(--text-dark);
    margin: 0 0 8px 0;
}

.empty-state-text {
    font-size: 14px;
    color: var(--text-light);
    margin: 0 0 24px 0;
}

/* ========== GRID LAYOUTS ========== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .ntc-main {
        padding: 20px 16px;
    }

    .page-title-bar {
        padding: 20px 16px;
    }

    .page-title {
        font-size: 24px;
    }

    .page-title-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .grid-4, .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }

    .phase-timeline {
        flex-direction: column;
    }
}