:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --secondary: #64748b;
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a:hover {
    text-decoration: underline;
}

/* Navbar */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
}

.nav-brand-logo {
    height: 32px;
    width: auto;
    display: block;
}

.nav-brand:hover {
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: var(--text);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    transition: background 0.2s;
}

.nav-link:hover {
    background: var(--bg);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: 0.2s;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
    transition: transform 0.2s;
}

.dropdown-arrow.rotated {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 160px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
}

.nav-dropdown-item {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text);
}

.nav-dropdown-item:hover {
    background: var(--bg);
    text-decoration: none;
}

[x-cloak] {
    display: none !important;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem;
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        background: var(--bg);
        margin-top: 0.5rem;
    }
}

/* Main Content */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    width: 100%;
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 1.5rem;
}

.flash {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flash-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.flash-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.flash-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.875rem;
    font-family: inherit;
    line-height: 1.25;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

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

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
}

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

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-success:hover {
    background: #16a34a;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Auth Forms */
.auth-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.auth-container h1 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.auth-form {
    margin-bottom: 1rem;
}

.auth-link {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tr:hover {
    background: var(--bg);
}

/* Page Headers */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.75rem;
}

/* Grid */
.grid {
    display: grid;
    gap: 1rem;
}

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

@media (min-width: 700px) {
    .grid-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

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

@media (min-width: 640px) {
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 900px) {
    .grid-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.badge-recruiting {
    background: #dbeafe;
    color: #1e40af;
}

.badge-locked {
    background: #fef3c7;
    color: #92400e;
}

.badge-in_progress {
    background: #dcfce7;
    color: #166534;
}

.badge-completed {
    background: #f3f4f6;
    color: #374151;
}

.badge-open {
    background: #dcfce7;
    color: #166534;
}

.badge-closed {
    background: #fee2e2;
    color: #991b1b;
}

.badge-queued {
    background: #e0e7ff;
    color: #3730a3;
}

.badge-confirmed {
    background: #dcfce7;
    color: #166534;
}

.badge-paused {
    background: #fef3c7;
    color: #92400e;
}

.session-announcement {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: var(--radius);
    color: #92400e;
}

.session-announcement-content {
    flex: 1;
}

.session-announcement-context {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0 0 0.25rem;
}

.admin-controls {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.admin-controls-title {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.admin-controls-section {
    margin-bottom: 1.25rem;
}

.admin-controls-section:last-child {
    margin-bottom: 0;
}

.admin-controls-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.admin-ping-form,
.admin-add-player-form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.admin-ping-select,
.admin-ping-input {
    flex: 1 1 12rem;
    min-width: 10rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.875rem;
}

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

.empty-state h3 {
    margin-bottom: 0.5rem;
    color: var(--text);
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.footer-link {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    padding: 0;
    text-decoration: underline;
}

.footer-link:hover {
    color: var(--primary-dark);
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 300;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
    padding: 1rem 1.5rem;
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.cookie-banner-text {
    color: var(--text);
    font-size: 0.875rem;
    line-height: 1.5;
    flex: 1;
}

.cookie-banner-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .cookie-banner-content {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .cookie-banner-actions {
        justify-content: center;
    }
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

/* Action List */
.action-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.action-list form {
    display: contents;
}

/* Player List */
.player-list {
    list-style: none;
}

.player-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

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

.player-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Session Card */
.session-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    background: var(--bg-card);
}

.session-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.session-card-title {
    font-weight: 600;
}

.session-card-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.tab {
    padding: 0.75rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}

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

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

/* Role Badges */
.role-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.role-owner {
    background: #fef3c7;
    color: #92400e;
}

.role-admin {
    background: #dbeafe;
    color: #1e40af;
}

.role-manager {
    background: #e0e7ff;
    color: #3730a3;
}

.role-staff {
    background: #f3f4f6;
    color: #374151;
}

/* Index Page */
.hero {
    text-align: center;
    padding: 3rem 1rem;
}

.hero-logo {
    max-width: min(480px, 90vw);
    height: auto;
    margin: 0 auto 1.5rem;
    display: block;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}