/* OpenSwiss — Professional responsive stylesheet with dark mode */

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

/* ── Light theme (default) ── */
:root {
    --color-bg: #f3f4f6;
    --color-surface: #ffffff;
    --color-surface-hover: #f9fafb;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-subtle: #eff6ff;
    --color-danger: #dc2626;
    --color-danger-subtle: #fef2f2;
    --color-success: #16a34a;
    --color-success-subtle: #f0fdf4;
    --color-text: #111827;
    --color-text-secondary: #374151;
    --color-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-border-strong: #d1d5db;
    --color-input-bg: #ffffff;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --transition: 0.15s ease;

    /* Badge colors — light */
    --badge-scheduled-bg: #e0e7ff;
    --badge-scheduled-fg: #3730a3;
    --badge-reg-open-bg: #d1fae5;
    --badge-reg-open-fg: #065f46;
    --badge-in-progress-bg: #fef3c7;
    --badge-in-progress-fg: #92400e;
    --badge-playoff-bg: #fce7f3;
    --badge-playoff-fg: #9d174d;
    --badge-finished-bg: #e5e7eb;
    --badge-finished-fg: #374151;
}

/* ── Dark theme ── */
[data-theme="dark"] {
    --color-bg: #0f1117;
    --color-surface: #1a1d27;
    --color-surface-hover: #22262f;
    --color-primary: #3b82f6;
    --color-primary-hover: #60a5fa;
    --color-primary-subtle: #1e293b;
    --color-danger: #ef4444;
    --color-danger-subtle: #1c1517;
    --color-success: #22c55e;
    --color-success-subtle: #0f1f15;
    --color-text: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-muted: #94a3b8;
    --color-border: #2d3348;
    --color-border-strong: #3d4560;
    --color-input-bg: #1e2230;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);

    --badge-scheduled-bg: #312e81;
    --badge-scheduled-fg: #c7d2fe;
    --badge-reg-open-bg: #064e3b;
    --badge-reg-open-fg: #a7f3d0;
    --badge-in-progress-bg: #78350f;
    --badge-in-progress-fg: #fde68a;
    --badge-playoff-bg: #831843;
    --badge-playoff-fg: #fbcfe8;
    --badge-finished-bg: #374151;
    --badge-finished-fg: #d1d5db;
}

/* ── System preference auto-detect ── */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-bg: #0f1117;
        --color-surface: #1a1d27;
        --color-surface-hover: #22262f;
        --color-primary: #3b82f6;
        --color-primary-hover: #60a5fa;
        --color-primary-subtle: #1e293b;
        --color-danger: #ef4444;
        --color-danger-subtle: #1c1517;
        --color-success: #22c55e;
        --color-success-subtle: #0f1f15;
        --color-text: #f1f5f9;
        --color-text-secondary: #cbd5e1;
        --color-muted: #94a3b8;
        --color-border: #2d3348;
        --color-border-strong: #3d4560;
        --color-input-bg: #1e2230;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
        --badge-scheduled-bg: #312e81;
        --badge-scheduled-fg: #c7d2fe;
        --badge-reg-open-bg: #064e3b;
        --badge-reg-open-fg: #a7f3d0;
        --badge-in-progress-bg: #78350f;
        --badge-in-progress-fg: #fde68a;
        --badge-playoff-bg: #831843;
        --badge-playoff-fg: #fbcfe8;
        --badge-finished-bg: #374151;
        --badge-finished-fg: #d1d5db;
    }
}

/* ── Base ── */
html {
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background var(--transition), color var(--transition);
}

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

a:hover {
    text-decoration: underline;
}

/* ── Header / Navigation ── */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: background var(--transition), border-color var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo:hover {
    text-decoration: none;
    opacity: 0.85;
}

.nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1.25rem;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    color: var(--color-text);
    transition: background var(--transition);
}

.nav-toggle:hover {
    background: var(--color-surface-hover);
}

.nav-links {
    display: none;
    position: absolute;
    top: 3.5rem;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 0.5rem 1.25rem 1rem;
    gap: 0.25rem;
    box-shadow: var(--shadow-md);
}

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

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 0.625rem 0.5rem;
    border-radius: var(--radius);
    min-height: 44px;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
    color: var(--color-primary);
    background: var(--color-primary-subtle);
    text-decoration: none;
}

.nav-user {
    font-weight: 600;
    color: var(--color-text);
    padding: 0.625rem 0.5rem;
    font-size: 0.875rem;
}

.nav-form {
    display: inline;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Theme toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    min-width: 36px;
    min-height: 36px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    transition: background var(--transition), color var(--transition);
    padding: 0;
}

.theme-toggle:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
}

/* ── Main content ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem;
    flex: 1;
    width: 100%;
}

/* ── Typography ── */
h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    letter-spacing: -0.01em;
    color: var(--color-text);
}

h2:first-child {
    margin-top: 0;
}

p {
    color: var(--color-text-secondary);
}

/* ── Cards ── */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-strong);
}

.card h2 {
    font-size: 1.05rem;
    margin: 0 0 0.375rem;
}

.card h2 a {
    color: var(--color-text);
    text-decoration: none;
}

.card h2 a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.meta {
    color: var(--color-muted);
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
}

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: 0.2rem 0.625rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--color-border);
    color: var(--color-muted);
}

.badge-scheduled {
    background: var(--badge-scheduled-bg);
    color: var(--badge-scheduled-fg);
}

.badge-registration_open {
    background: var(--badge-reg-open-bg);
    color: var(--badge-reg-open-fg);
}

.badge-in_progress {
    background: var(--badge-in-progress-bg);
    color: var(--badge-in-progress-fg);
}

.badge-playoff {
    background: var(--badge-playoff-bg);
    color: var(--badge-playoff-fg);
}

.badge-finished {
    background: var(--badge-finished-bg);
    color: var(--badge-finished-fg);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    min-height: 38px;
    min-width: 38px;
    transition: all var(--transition);
    gap: 0.375rem;
    white-space: nowrap;
}

.btn:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-strong);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

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

.btn-danger {
    color: var(--color-danger);
    border-color: currentColor;
}

.btn-danger:hover {
    background: var(--color-danger-subtle);
}

.btn-sm {
    padding: 0.3rem 0.625rem;
    font-size: 0.75rem;
    min-height: 32px;
}

.btn-active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

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

/* ── Forms ── */
.form {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.form label {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.form input[type="text"],
.form input[type="email"],
.form input[type="password"],
.form input[type="number"],
.form input[type="datetime-local"],
.form textarea,
.form select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    min-height: 42px;
    background: var(--color-input-bg);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form input:focus,
.form textarea:focus,
.form select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form textarea {
    resize: vertical;
    font-family: inherit;
}

.form-page {
    max-width: 480px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem;
}

.form-inline {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.form-inline input[type="text"] {
    flex: 1;
    min-width: 200px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-input-bg);
    color: var(--color-text);
    font-size: 0.9375rem;
    min-height: 38px;
    transition: border-color var(--transition);
}

.form-inline input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.inline-form {
    display: inline-block;
    margin: 0.25rem 0;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 400;
    min-height: 38px;
    cursor: pointer;
}

fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
}

legend {
    font-weight: 600;
    font-size: 0.8125rem;
    padding: 0 0.375rem;
    color: var(--color-text-secondary);
}

.error {
    color: var(--color-danger);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    background: var(--color-danger-subtle);
    border: 1px solid var(--color-danger);
    border-radius: var(--radius);
}

.success {
    color: var(--color-success);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    background: var(--color-success-subtle);
    border: 1px solid var(--color-success);
    border-radius: var(--radius);
}

/* ── Tables ── */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0.75rem 0 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

th,
td {
    padding: 0.625rem 1rem;
    text-align: left;
    white-space: nowrap;
}

th {
    font-weight: 600;
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-muted);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
}

td {
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

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

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

.result-input {
    width: 60px;
    padding: 0.375rem 0.5rem;
    text-align: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.8125rem;
    min-height: 36px;
    background: var(--color-input-bg);
    color: var(--color-text);
    transition: border-color var(--transition);
}

.result-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.decklist-input {
    font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
    font-size: 0.8125rem;
}

/* ── Filter bar ── */
.filter-bar {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

/* ── Manage actions ── */
.manage-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
    padding: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

/* ── Detail metadata ── */
.detail-meta {
    margin: 0.75rem 0 1.25rem;
    color: var(--color-muted);
    font-size: 0.875rem;
}

.detail-meta p {
    margin: 0.3rem 0;
}

/* ── Role form in admin ── */
.role-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.role-form label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
}

/* ── Footer ── */
.site-footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-muted);
    font-size: 0.75rem;
    border-top: 1px solid var(--color-border);
    margin-top: 3rem;
    transition: border-color var(--transition);
}

.site-footer a {
    color: var(--color-primary);
}

/* ── Empty state ── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-muted);
}

/* ── Tablet and up ── */
@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-links {
        display: flex;
        position: static;
        flex-direction: row;
        width: auto;
        padding: 0;
        gap: 0.125rem;
        align-items: center;
        background: none;
        border-bottom: none;
        box-shadow: none;
    }
    
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .container {
        padding: 2rem;
    }
}

/* ── Desktop ── */
@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}