/* Marathon Fantasy - Main Stylesheet */
/* Dark theme, modern design */

/* ========================================
   CSS Custom Properties (Variables)
   ======================================== */
:root {
    /* Background Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-hover: #3b4861;

    /* Accent Colors */
    --accent-primary: #3b82f6;
    --accent-primary-hover: #2563eb;
    --accent-success: #10b981;
    --accent-error: #ef4444;
    --accent-warning: #f59e0b;
    --accent-info: #06b6d4;

    /* Text Colors */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-muted: #475569;

    /* Border Colors */
    --border-color: #334155;
    --border-light: #475569;

    /* Table Colors */
    --table-header-bg: #1e293b;
    --table-row-alt: rgba(255, 255, 255, 0.02);
    --table-row-hover: rgba(59, 130, 246, 0.1);

    /* Status Colors */
    --hot-color: #ef4444;
    --cold-color: #3b82f6;
    --up-color: #10b981;
    --down-color: #f59e0b;

    /* Sizing */
    --sidebar-width: 240px;
    --header-height: 64px;
    --filter-bar-height: auto;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
}

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

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
}

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

a:hover {
    text-decoration: underline;
}

/* ========================================
   Layout Structure
   ======================================== */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 1.5rem;
}

.sidebar-nav {
    flex: 1;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: 500;
}

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

.nav-item.active {
    background-color: var(--accent-primary);
    color: white;
}

.nav-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.nav-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.badge {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 2px 6px;
    background-color: var(--bg-tertiary);
    border-radius: 10px;
    color: var(--text-tertiary);
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* ========================================
   Main Content Area
   ======================================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--bg-primary);
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    height: var(--header-height);
    min-height: var(--header-height);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.player-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 4px 10px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.last-updated {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-hover);
}

.btn-text {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 12px;
}

.btn-text:hover:not(:disabled) {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.btn-pagination {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-pagination:hover:not(:disabled) {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.btn-icon {
    font-size: 1rem;
}

/* ========================================
   Filter Bar
   ======================================== */
.filter-bar {
    padding: 16px 24px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.filter-row {
    display: flex;
    align-items: flex-end;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-row-secondary {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.search-group {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

.search-input {
    width: 100%;
    padding: 8px 12px;
    font-size: 0.875rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

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

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.filter-select {
    padding: 8px 32px 8px 12px;
    font-size: 0.875rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    appearance: none;
    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='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Position Filters */
.position-filters {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
}

.position-btn {
    padding: 6px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.position-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.position-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    margin: 0 4px;
}

/* Quick Filters */
.quick-filters {
    display: flex;
    gap: 8px;
}

.quick-filter-btn {
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-filter-btn:hover {
    background-color: var(--bg-tertiary);
}

.quick-filter-btn.active {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.quick-filter-btn[data-filter="hot"].active {
    border-color: var(--hot-color);
    color: var(--hot-color);
}

.quick-filter-btn[data-filter="cold"].active {
    border-color: var(--cold-color);
    color: var(--cold-color);
}

.quick-filter-btn[data-filter="trending-up"].active {
    border-color: var(--up-color);
    color: var(--up-color);
}

.quick-filter-btn[data-filter="trending-down"].active {
    border-color: var(--down-color);
    color: var(--down-color);
}

/* Column Toggles */
.column-toggles {
    display: flex;
    gap: 4px;
}

.column-toggle {
    padding: 6px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.column-toggle:hover {
    background-color: var(--bg-tertiary);
}

.column-toggle.active {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

/* ========================================
   Table Container
   ======================================== */
.table-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.table-wrapper {
    flex: 1;
    overflow: auto;
    position: relative;
}

/* ========================================
   Data Table
   ======================================== */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.8125rem;
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    background-color: var(--table-header-bg);
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-fast);
}

.data-table th:hover {
    background-color: var(--bg-hover);
}

.data-table th.sorted-asc::after {
    content: ' ▲';
    font-size: 0.65rem;
    color: var(--accent-primary);
}

.data-table th.sorted-desc::after {
    content: ' ▼';
    font-size: 0.65rem;
    color: var(--accent-primary);
}

.data-table th.no-sort {
    cursor: default;
}

.data-table th.no-sort:hover {
    background-color: var(--table-header-bg);
}

/* Column group headers */
.data-table th.column-group-header {
    background-color: var(--bg-tertiary);
    text-align: center;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
    cursor: default;
}

.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    white-space: nowrap;
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:nth-child(even) {
    background-color: var(--table-row-alt);
}

.data-table tbody tr:hover {
    background-color: var(--table-row-hover);
}

/* Numeric columns right-aligned */
.data-table td.numeric,
.data-table th.numeric {
    text-align: right;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.8rem;
}

/* Player name column */
.data-table td.player-name {
    font-weight: 500;
    min-width: 180px;
    position: sticky;
    left: 0;
    background-color: var(--bg-primary);
    z-index: 5;
}

.data-table tbody tr:nth-child(even) td.player-name {
    background-color: #10182a;
}

.data-table tbody tr:hover td.player-name {
    background-color: var(--table-row-hover);
}

/* Team column */
.team-badge {
    display: inline-block;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: 600;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

/* Position column */
.position-text {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* Conditional formatting */
.positive {
    color: var(--accent-success);
}

.negative {
    color: var(--accent-error);
}

.neutral {
    color: var(--text-secondary);
}

/* Hot/Cold indicators */
.trend-hot {
    color: var(--hot-color);
}

.trend-cold {
    color: var(--cold-color);
}

.trend-up {
    color: var(--up-color);
}

.trend-down {
    color: var(--down-color);
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-numbers {
    display: flex;
    gap: 4px;
}

.page-number {
    padding: 6px 10px;
    font-size: 0.8rem;
    background-color: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-number:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.page-number.active {
    background-color: var(--accent-primary);
    color: white;
}

.pagination-size {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.pagination-size select {
    padding: 4px 8px;
    font-size: 0.8rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
}

/* ========================================
   Loading & Error States
   ======================================== */
.loading-state,
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    gap: 16px;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.error-message {
    color: var(--accent-error);
    font-size: 1rem;
}

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 480px;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.setting-group {
    margin-bottom: 16px;
}

.setting-group:last-child {
    margin-bottom: 0;
}

.setting-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.setting-input {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.875rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}

.setting-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.setting-help {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* ========================================
   Toast Notifications
   ======================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-width: 300px;
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.toast-message {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.toast-close:hover {
    color: var(--text-primary);
}

.toast.toast-success {
    border-left: 3px solid var(--accent-success);
}

.toast.toast-error {
    border-left: 3px solid var(--accent-error);
}

.toast.toast-warning {
    border-left: 3px solid var(--accent-warning);
}

.toast.toast-info {
    border-left: 3px solid var(--accent-info);
}

/* Refresh toast - fixed position */
#refresh-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 150;
}

/* ========================================
   Utility Classes
   ======================================== */
.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--text-secondary);
}

.font-mono {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
}

/* ========================================
   Scrollbar Styling
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--bg-tertiary) var(--bg-primary);
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 1200px) {
    .sidebar {
        width: 200px;
        min-width: 200px;
    }
}

@media (max-width: 900px) {
    .sidebar {
        width: 60px;
        min-width: 60px;
    }

    .sidebar-header {
        justify-content: center;
    }

    .logo {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: 12px;
    }

    .nav-item span:not(.nav-icon),
    .badge {
        display: none;
    }

    .nav-icon {
        margin: 0;
    }

    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .search-group {
        max-width: none;
    }
}

@media (max-width: 600px) {
    .page-header {
        flex-direction: column;
        height: auto;
        padding: 12px;
        gap: 12px;
    }

    .header-left,
    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .position-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }
}