/* ============================================================
   EuroMillions Syndicate Manager - Stylesheet
   Clean, modern, responsive design
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #1a3a5c;
    --color-primary-light: #2a5580;
    --color-primary-lighter: #e8f0f8;
    --color-accent: #d4a843;
    --color-accent-light: #f5ecd4;

    --color-success: #2e7d32;
    --color-success-bg: #e8f5e9;
    --color-error: #c62828;
    --color-error-bg: #fce8e8;
    --color-warning: #e65100;
    --color-warning-bg: #fff3e0;
    --color-info: #1565c0;
    --color-info-bg: #e3f2fd;

    --color-bg: #f5f6f8;
    --color-surface: #ffffff;
    --color-text: #1a1a2e;
    --color-text-muted: #5a6170;
    --color-border: #dfe2e8;
    --color-border-light: #eef0f4;

    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.10);

    --font: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* --- Layout --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.main {
    flex: 1;
    padding: var(--space-xl) 0;
}

/* --- Navigation --- */
.nav {
    background: var(--color-primary);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: #fff;
    font-weight: 700;
    font-size: var(--font-size-lg);
    text-decoration: none;
}

.nav-logo {
    font-size: 1.4rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    color: rgba(255,255,255,0.85);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
}

.nav-link:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
    text-decoration: none;
}

.nav-link--admin {
    color: var(--color-accent);
}

.nav-link--admin:hover {
    color: var(--color-accent-light);
}

.nav-link--logout {
    color: rgba(255,255,255,0.6);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    flex-direction: column;
    gap: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: transform 0.2s;
}

/* --- Footer --- */
.footer {
    text-align: center;
    padding: var(--space-lg) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--color-border-light);
}

/* --- Alerts / Flash Messages --- */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius);
    margin-bottom: var(--space-lg);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.alert--success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border-left: 4px solid var(--color-success);
}

.alert--error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border-left: 4px solid var(--color-error);
}

.alert--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border-left: 4px solid var(--color-warning);
}

.alert--info {
    background: var(--color-info-bg);
    color: var(--color-info);
    border-left: 4px solid var(--color-info);
}

/* --- Cards --- */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border-light);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

/* --- Page Headers --- */
.page-header {
    margin-bottom: var(--space-xl);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.page-subtitle {
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
}

/* --- Forms --- */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.12);
}

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

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--space-xs);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form-checkbox input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 10px 20px;
    font-family: var(--font);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    text-decoration: none;
    line-height: 1.4;
}

.btn:hover {
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
}

.btn--primary:hover {
    background: var(--color-primary-light);
}

.btn--accent {
    background: var(--color-accent);
    color: var(--color-primary);
}

.btn--accent:hover {
    background: #c49a38;
}

.btn--success {
    background: var(--color-success);
    color: #fff;
}

.btn--success:hover {
    background: #256d28;
}

.btn--danger {
    background: var(--color-error);
    color: #fff;
}

.btn--danger:hover {
    background: #a12020;
}

.btn--outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn--outline:hover {
    background: var(--color-bg);
}

.btn--small {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn--block {
    display: flex;
    width: 100%;
}

.btn-group {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* --- Tables --- */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--color-border-light);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

thead th {
    background: var(--color-primary-lighter);
    color: var(--color-primary);
    font-weight: 600;
    text-align: left;
    padding: 10px 14px;
    white-space: nowrap;
    border-bottom: 2px solid var(--color-border);
    user-select: none;
}

thead th.sortable {
    cursor: pointer;
}

thead th.sortable:hover {
    background: #d8e6f3;
}

thead th.sortable::after {
    content: ' ⇅';
    opacity: 0.3;
    font-size: 0.75rem;
}

thead th.sort-asc::after {
    content: ' ↑';
    opacity: 0.7;
}

thead th.sort-desc::after {
    content: ' ↓';
    opacity: 0.7;
}

tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: middle;
}

tbody tr:hover {
    background: var(--color-primary-lighter);
}

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

/* --- Status Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.6;
}

.badge--yes,
.badge--paid,
.badge--open,
.badge--active {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.badge--no,
.badge--unpaid,
.badge--closed,
.badge--bust {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.badge--pending,
.badge--na {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge--won {
    background: var(--color-accent-light);
    color: #8a6d1b;
}

/* --- Stats Row --- */
.stats {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.stat {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    padding: var(--space-md) var(--space-lg);
    flex: 1;
    min-width: 140px;
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* --- Landing / Home --- */
.home-hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 100px);
    text-align: center;
}

.home-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2xl);
    max-width: 440px;
    width: 100%;
}

.home-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.home-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.home-subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

/* --- Admin Specific --- */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-lg);
}

.admin-action-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: box-shadow 0.15s, transform 0.1s;
    text-decoration: none;
    color: var(--color-text);
}

.admin-action-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    text-decoration: none;
}

.admin-action-card h3 {
    color: var(--color-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.admin-action-card p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* --- Quick-add Buttons --- */
.quick-add {
    display: inline-flex;
    gap: 2px;
}

.quick-add .btn {
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    min-width: 28px;
}

/* --- Encryption Key Prompt --- */
.key-prompt {
    background: var(--color-warning-bg);
    border: 1px solid #ffcc80;
    border-radius: var(--radius);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.key-prompt .form-input {
    max-width: 300px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--color-primary);
        flex-direction: column;
        padding: var(--space-md);
        box-shadow: var(--shadow-lg);
    }

    .nav--open .nav-links {
        display: flex;
    }

    .nav-link {
        padding: var(--space-md);
        width: 100%;
    }

    .nav-title {
        font-size: var(--font-size-base);
    }

    .container {
        padding: 0 var(--space-md);
    }

    .card {
        padding: var(--space-lg);
    }

    .home-card {
        padding: var(--space-xl);
        margin: var(--space-md);
    }

    .stats {
        flex-direction: column;
    }

    .page-title {
        font-size: var(--font-size-xl);
    }

    table {
        font-size: 0.8rem;
    }

    thead th,
    tbody td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .btn-group {
        flex-direction: column;
    }

    .btn-group .btn {
        width: 100%;
    }
}