/* ============================================
   HAVOC Experience Tracker — Staccato Ranch
   Brand: Navy #002856 | Gold #B08D57
   ============================================ */

:root {
    --navy: #002856;
    --navy-light: #003670;
    --navy-dark: #001a3a;
    --gold: #B08D57;
    --gold-light: #c9a86c;
    --gold-dark: #967640;
    --gold-subtle: rgba(176, 141, 87, 0.08);
    --gold-border: rgba(176, 141, 87, 0.2);
    --bg: #f4f5f7;
    --card: #ffffff;
    --text: #1a1a2e;
    --text-secondary: #5a6178;
    --text-muted: #8b90a0;
    --border: #e2e4ea;
    --input-bg: #f8f9fb;
    --input-focus: #002856;
    --success: #16a34a;
    --error: #dc2626;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 12px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.06);
    --transition: 200ms ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* ---- Header ---- */
.header {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    border-bottom: 3px solid var(--gold);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.havoc-logo svg {
    width: 44px;
    height: 44px;
}

.header-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 32px;
    letter-spacing: 4px;
    color: #fff;
    line-height: 1;
}

.header-subtitle {
    font-size: 12px;
    font-weight: 500;
    color: var(--gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 2px;
}

.header-badge {
    background: rgba(176, 141, 87, 0.15);
    border: 1px solid rgba(176, 141, 87, 0.3);
    border-radius: 6px;
    padding: 6px 14px;
}

.badge-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--gold);
    text-transform: uppercase;
}

/* ---- Stats Bar ---- */
.stats-bar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.stats-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 16px 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.stat-card {
    text-align: center;
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    background: var(--gold-subtle);
    border: 1px solid var(--gold-border);
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--navy);
    font-variant-numeric: tabular-nums;
}

.stat-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* ---- Tab Navigation ---- */
.tab-nav {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 83px;
    z-index: 90;
}

.tab-nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    gap: 0;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all var(--transition);
}

.tab-btn:hover {
    color: var(--navy);
    background: var(--gold-subtle);
}

.tab-btn.active {
    color: var(--navy);
    border-bottom-color: var(--gold);
}

.tab-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.tab-btn-link {
    text-decoration: none;
    color: var(--gold-dark);
    border-bottom-color: transparent !important;
}

.tab-btn-link:hover {
    color: var(--gold);
    background: var(--gold-subtle);
}

/* ---- Main Content ---- */
.main {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ---- Form Card ---- */
.form-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 24px;
}

.form-header {
    padding: 24px 28px 0;
}

.form-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy);
}

.form-header p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.entry-form {
    padding: 20px 28px 28px;
}

/* ---- Form Elements ---- */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group .optional {
    font-weight: 400;
    color: var(--text-muted);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    font-family: inherit;
    font-size: 14px;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6178' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.15);
}

.form-row {
    display: grid;
    gap: 16px;
}

.form-row.two-col {
    grid-template-columns: 1fr 1fr;
}

.form-row.three-col {
    grid-template-columns: 1fr 1fr 1fr;
}

/* ---- Course Selector ---- */
.course-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.course-option input {
    display: none;
}

.course-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 18px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--input-bg);
}

.course-card:hover {
    border-color: var(--gold-light);
    background: var(--gold-subtle);
}

.course-option input:checked + .course-card {
    border-color: var(--gold);
    background: rgba(176, 141, 87, 0.1);
    box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.15);
}

.course-logo {
    width: 40px;
    height: 40px;
    color: var(--navy);
}

.course-option input:checked + .course-card .course-logo {
    color: var(--gold);
}

.course-card span {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

/* ---- Submit Button ---- */
.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: #fff;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 2px 8px rgba(176, 141, 87, 0.3);
    margin-top: 8px;
}

.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(176, 141, 87, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* ---- Recent Entries Card ---- */
.recent-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.recent-card h3 {
    padding: 18px 24px;
    font-size: 16px;
    font-weight: 700;
    color: var(--navy);
    border-bottom: 1px solid var(--border);
}

.table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    padding: 10px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    text-align: left;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--gold-subtle);
}

.empty-row td {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: 32px 16px;
}

.empty-row:hover {
    background: transparent !important;
}

/* ---- Toast ---- */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: all 300ms ease;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: var(--navy);
    color: #fff;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 500;
    min-width: 260px;
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.toast-success-icon { color: #4ade80; display: none; }
.toast-error-icon { color: #f87171; display: none; }

.toast.success .toast-success-icon { display: block; }
.toast.error .toast-error-icon { display: block; }

/* ---- Loading Overlay ---- */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 40, 86, 0.2);
    backdrop-filter: blur(2px);
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
}

.loading-overlay.show {
    display: flex;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(176, 141, 87, 0.2);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ---- Footer ---- */
.footer {
    text-align: center;
    padding: 24px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .header-badge {
        display: none;
    }

    .stats-inner {
        grid-template-columns: repeat(2, 1fr);
        padding: 12px 16px;
        gap: 10px;
    }

    .stat-number {
        font-size: 22px;
    }

    .tab-nav-inner {
        padding: 0 8px;
    }

    .tab-btn {
        padding: 12px 8px;
        font-size: 13px;
        gap: 5px;
    }

    .tab-icon {
        width: 16px;
        height: 16px;
    }

    .main {
        padding: 16px;
    }

    .form-header {
        padding: 18px 20px 0;
    }

    .entry-form {
        padding: 16px 20px 22px;
    }

    .form-row.two-col,
    .form-row.three-col {
        grid-template-columns: 1fr;
    }

    .course-selector {
        grid-template-columns: 1fr;
    }

    .recent-card h3 {
        padding: 14px 18px;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
        font-size: 12px;
    }

    .toast {
        bottom: 16px;
        right: 16px;
        left: 16px;
    }

    .toast-content {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .header-title {
        font-size: 26px;
    }

    .havoc-logo svg {
        width: 36px;
        height: 36px;
    }
}