/* EMSI Tweet Board - Modern CSS Tasarımı */

/* ===== CSS RESET VE TEMEL AYARLAR ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Ana Renkler */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;

    /* Arka Plan Renkleri */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1e293b;
    --bg-darker: #0f172a;

    /* Metin Renkleri */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;

    /* Border ve Shadow */
    --border-color: #e2e8f0;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* ===== LOADING SPINNER ===== */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

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

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-4);
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* ===== HEADER ===== */
.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
    gap: var(--spacing-6);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    object-fit: contain;
}

.title-section h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

/* ===== AUTO REFRESH TOGGLE ===== */
.auto-refresh-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--secondary-color);
    transition: var(--transition-fast);
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition-fast);
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--primary-color);
}

input:checked+.slider:before {
    transform: translateX(26px);
}

.toggle-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    padding: var(--spacing-8) 0;
    min-height: calc(100vh - 200px);
}

/* ===== TAB NAVIGATION ===== */
.tab-navigation {
    display: flex;
    gap: var(--spacing-1);
    margin-bottom: var(--spacing-8);
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    background: none;
    border: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
    transition: all var(--transition-fast);
    position: relative;
}

.tab-btn:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.tab-btn.active {
    color: var(--primary-color);
    background-color: var(--bg-primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

/* ===== STATUS BAR ===== */
.status-bar {
    display: flex;
    gap: var(--spacing-6);
    padding: var(--spacing-4);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.status-item i {
    color: var(--primary-color);
}

/* ===== TAB CONTENT ===== */
.tab-content {
    position: relative;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    margin-bottom: var(--spacing-6);
    text-align: center;
}

.panel-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
}

.panel-header h2 i {
    color: var(--accent-color);
}

.panel-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin: 0;
}

/* ===== LEADERBOARD ===== */
.leaderboard-container {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.leaderboard-header {
    display: grid;
    grid-template-columns: 80px 1fr 150px 150px;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background-color: var(--bg-secondary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.leaderboard-list {
    /* max-height: 600px; */
    overflow-y: auto;
}

.leaderboard-item {
    display: grid;
    grid-template-columns: 80px 1fr 150px 150px;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-fast);
    align-items: center;
}

.leaderboard-item:hover {
    background-color: var(--bg-secondary);
}

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

/* Rank */
.rank {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.rank.top-1 {
    color: #ffd700;
}

.rank.top-2 {
    color: #c0c0c0;
}

.rank.top-3 {
    color: #cd7f32;
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.user-details h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.user-details p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* Score */
.score {
    text-align: center;
}

.total-score {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-1);
}

.score-breakdown {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

/* Details */
.details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    font-size: var(--font-size-xs);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== HOURLY WINNERS ===== */
.hourly-winners-list {
    display: grid;
    gap: var(--spacing-4);
}

.hourly-winner {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.hourly-winner:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.winner-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--text-white);
    padding: var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hour-slot {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.winner-badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.winner-content {
    padding: var(--spacing-5);
}

.winner-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.winner-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
}

.winner-info h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.winner-stats {
    display: flex;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.tweet-content {
    background-color: var(--bg-secondary);
    padding: var(--spacing-4);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--primary-color);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-primary);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-10);
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-4);
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.empty-state p {
    font-size: var(--font-size-base);
    margin: 0;
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-1);
    line-height: 1;
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: var(--spacing-5);
}

.modal-footer {
    padding: var(--spacing-5);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-weight: 500;
    z-index: 1100;
    animation: slideInRight 0.3s ease-out;
}

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

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

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-12);
    padding: var(--spacing-8) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-6);
}

.footer-info p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-1);
}

.footer-info p:last-child {
    margin-bottom: 0;
}

.footer-links {
    display: flex;
    gap: var(--spacing-5);
}

.footer-link {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-3);
    }

    /* Mobilde header'ı static yap */
    .header {
        position: static;
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-3);
        text-align: center;
        padding: var(--spacing-3) 0;
    }

    .header-controls {
        flex-direction: row;
        gap: var(--spacing-3);
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .logo-section {
        flex-direction: row;
        text-align: center;
        gap: var(--spacing-2);
        align-items: center;
    }

    .logo {
        width: 40px;
        height: 40px;
    }

    .title-section h1 {
        font-size: var(--font-size-xl);
    }

    .subtitle {
        font-size: var(--font-size-xs);
    }

    .status-bar {
        flex-direction: column;
        gap: var(--spacing-3);
        text-align: center;
    }

    .tab-navigation {
        flex-direction: column;
        gap: 0;
    }

    .tab-btn {
        text-align: center;
        border-radius: 0;
    }

    .leaderboard-header,
    .leaderboard-item {
        grid-template-columns: 60px 1fr;
        grid-template-rows: auto auto;
        gap: var(--spacing-2);
    }

    .leaderboard-header .score-col,
    .leaderboard-header .details-col,
    .leaderboard-item .score,
    .leaderboard-item .details {
        grid-column: 1 / -1;
        text-align: center;
    }

    .winner-user {
        flex-direction: column;
        text-align: center;
    }

    .winner-stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {

    /* Header için daha kompakt tasarım */
    .header-content {
        padding: var(--spacing-2) 0;
        gap: var(--spacing-2);
    }

    .logo-section {
        gap: var(--spacing-2);
    }

    .logo {
        width: 32px;
        height: 32px;
    }

    .title-section h1 {
        font-size: var(--font-size-lg);
    }

    .subtitle {
        display: none;
        /* Çok küçük ekranlarda subtitle'ı gizle */
    }

    .header-controls {
        gap: var(--spacing-2);
    }

    .btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }

    .toggle-label {
        font-size: var(--font-size-xs);
    }

    .main-content {
        padding: var(--spacing-4) 0;
    }

    .panel-header h2 {
        font-size: var(--font-size-xl);
        flex-direction: column;
        gap: var(--spacing-2);
    }

    .winner-content {
        padding: var(--spacing-4);
    }

    .winner-header {
        flex-direction: column;
        gap: var(--spacing-2);
        text-align: center;
    }
}

/* ===== DARK MODE SUPPORT (Future) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1e293b;
        --bg-secondary: #0f172a;
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-light: #64748b;
        --border-color: #334155;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states */
.btn:focus,
.tab-btn:focus,
.modal-close:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000;
        --text-secondary: #000;
    }
}