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

:root {
    --bg-main: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --purple: #8b5cf6;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    
    --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);
}

html, body {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    padding: 16px 20px;
}

/* GİRİŞ EKRANI */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 16px;
}

.auth-card {
    background: #ffffff;
    width: 100%;
    max-width: 400px;
    padding: 28px 24px;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-header { text-align: center; }
.auth-icon { font-size: 34px; display: block; margin-bottom: 6px; }
.auth-header h2 { font-size: 1.25rem; font-weight: 700; color: #0f172a; }
.auth-header p { font-size: 12px; color: #64748b; margin-top: 4px; }
.auth-btn { width: 100%; padding: 11px !important; font-size: 14px !important; justify-content: center; margin-top: 6px; }
.auth-error { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; padding: 8px 12px; border-radius: var(--radius-sm); font-size: 12px; font-weight: 500; }
.btn-logout { color: #ef4444 !important; border-color: #fecaca !important; }
.btn-logout:hover { background: #fee2e2 !important; }

/* ANA DÜZEN */
.app-container { max-width: 1440px; margin: 0 auto; width: 100%; }
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    gap: 12px;
    position: relative;
}

.header-left { display: flex; align-items: center; gap: 12px; }
.logo-area { display: flex; align-items: center; gap: 8px; }
.logo-icon { font-size: 26px; line-height: 1; }
.logo-area h1 { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.subtitle { font-size: 0.8rem; color: var(--text-muted); }
.status-badge { padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.status-connected { background-color: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.header-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.mobile-menu-btn {
    display: none;
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 18px;
    cursor: pointer;
}

/* BUTONLAR */
.btn-primary {
    background: var(--primary);
    color: #ffffff;
    border: none;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
}
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }

.btn-secondary {
    background: #ffffff;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
}
.btn-secondary:hover { background: #f1f5f9; color: var(--text-primary); border-color: #cbd5e1; }

.btn-subtask {
    background: #f1f5f9;
    border: 1px dashed #cbd5e1;
    color: var(--primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 6px;
}

/* SAYAÇ KARTLARI */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}
.stat-card:hover { transform: translateY(-2px); border-color: #cbd5e1; box-shadow: var(--shadow-md); }
.stat-card.active { border-color: var(--primary); background-color: #eff6ff; box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25); }
.stat-icon { font-size: 22px; line-height: 1; }
.stat-label { font-size: 11.5px; font-weight: 500; color: var(--text-secondary); }
.stat-value { font-size: 1.35rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.stat-overdue .stat-value { color: var(--danger); }

/* ARAÇ ÇUBUĞU */
.toolbar-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
}
.toolbar-left { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; flex: 1; }
.toolbar-right { display: flex; align-items: center; gap: 8px; }
.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 6px 12px;
    min-width: 250px;
}
.search-box input { border: none; background: transparent; outline: none; font-size: 13px; color: var(--text-primary); width: 100%; }
.form-select {
    padding: 7px 12px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #ffffff;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
}
.campus-select { font-weight: 600; border-color: #cbd5e1; color: #1e3a8a; background-color: #f0fdf4; }

/* KANBAN PANOSU */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    margin-bottom: 24px;
    align-items: start;
}
.kanban-column {
    background: #f1f5f9;
    border-radius: var(--radius-lg);
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 280px);
}
.column-header {
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 13px;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.column-title { display: flex; align-items: center; gap: 6px; }
.column-badge { background: rgba(255, 255, 255, 0.7); border-radius: 12px; padding: 2px 8px; font-size: 11px; font-weight: 700; }
.col-todo { background: #e0f2fe; color: #0369a1; }
.col-progress { background: #fef3c7; color: #b45309; }
.col-testing { background: #ede9fe; color: #6d28d9; }
.col-blocked { background: #fee2e2; color: #b91c1c; }
.col-completed { background: #d1fae5; color: #047857; }
.task-list { padding: 10px; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; min-height: 120px; flex: 1; }

/* GÖREV KARTLARI */
.task-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    box-shadow: var(--shadow-sm);
    cursor: grab;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.task-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.task-card.overdue { border-left: 3px solid var(--danger); }
.task-card.due-today { border-left: 3px solid var(--warning); }
.task-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.task-title { font-size: 13.5px; font-weight: 600; color: var(--text-primary); word-break: break-word; }
.task-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 11px; }
.task-badge { padding: 2px 6px; border-radius: 4px; background: #f1f5f9; color: var(--text-secondary); font-weight: 500; }
.task-campus-badge { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; font-weight: 600; }
.task-category { background: #eff6ff; color: #1e40af; font-weight: 600; }
.task-due-badge-today { background: #fef3c7; color: #92400e; font-weight: 700; border: 1px solid #fcd34d; }
.task-due-badge-upcoming { background: #dbeafe; color: #1e40af; font-weight: 600; }

.subtask-progress { display: flex; flex-direction: column; gap: 3px; margin-top: 2px; }
.subtask-progress-text { font-size: 11px; color: var(--text-muted); }
.subtask-progress-bar { width: 100%; height: 4px; background: #e2e8f0; border-radius: 2px; overflow: hidden; }
.subtask-progress-fill { height: 100%; background: var(--success); }

/* YORUM VE DETAY BÖLÜMÜ */
.task-expanded-details {
    margin-top: 8px;
    padding: 10px 12px;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: #334155;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.detail-sec strong { color: #0f172a; display: inline-block; min-width: 75px; }

.task-comments-section {
    border-top: 1px solid #e2e8f0;
    padding-top: 8px;
    margin-top: 4px;
}
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 120px;
    overflow-y: auto;
    margin-bottom: 6px;
}
.comment-item {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 11px;
}
.comment-header {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 10px;
    margin-bottom: 2px;
}
.comment-author { font-weight: 600; color: #3b82f6; }
.comment-input-wrap { display: flex; gap: 4px; }
.comment-input-wrap input { flex: 1; padding: 4px 8px; font-size: 11.5px; border: 1px solid #cbd5e1; border-radius: 4px; }
.comment-input-wrap button { background: #0f172a; color: #ffffff; border: none; border-radius: 4px; padding: 4px 8px; font-size: 11px; cursor: pointer; }

.task-footer { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid #f1f5f9; padding-top: 8px; margin-top: 4px; flex-wrap: wrap; gap: 6px; }
.task-due { font-size: 11px; color: var(--text-muted); }
.task-due.overdue { color: var(--danger); font-weight: 600; }
.task-due.due-today { color: #b45309; font-weight: 700; }
.task-actions { display: flex; align-items: center; gap: 4px; }
.btn-toggle-details { background: none; border: none; font-size: 11px; cursor: pointer; color: #64748b; padding: 3px 6px; border-radius: 4px; }
.btn-toggle-details.expanded { transform: rotate(180deg); }

/* LİSTE GÖRÜNÜMÜ */
.list-view-container { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; margin-bottom: 24px; }
.table-responsive { overflow-x: auto; width: 100%; }
.task-table { width: 100%; border-collapse: collapse; font-size: 13px; text-align: left; }
.task-table th { background: #f8fafc; padding: 12px 16px; font-weight: 600; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); }
.task-table td { padding: 12px 16px; border-bottom: 1px solid var(--border-color); vertical-align: middle; }

/* TOPLANTI TUTANAKLARI SAYFASI */
.minutes-container { display: none; margin-bottom: 24px; }
.minutes-header-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px 24px;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.minutes-list { display: flex; flex-direction: column; gap: 16px; }
.minute-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}
.minute-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 10px;
}
.minute-title { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); }
.minute-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.decision-table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 13px; }
.decision-table th { background: #f1f5f9; padding: 10px 12px; text-align: left; font-weight: 600; color: #475569; }
.decision-table td { padding: 10px 12px; border-bottom: 1px solid #f1f5f9; }
.decision-table tr:hover { background-color: #f8fafc; }

/* ANALİTİK & GRAFİK */
.analytics-section { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); margin-top: 16px; }
.analytics-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.analytics-header h2 { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); }
.analytics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-bottom: 18px; }
.chart-card { background: #ffffff; border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 12px 14px; display: flex; flex-direction: column; align-items: center; height: 270px; }
.chart-title { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; text-align: center; }
.chart-canvas-wrap { width: 100%; flex: 1; position: relative; }
.chart-canvas-wrap canvas { max-height: 210px !important; width: 100% !important; }
.overall-progress-card { background: #f8fafc; border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 12px 16px; }
.progress-info { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; margin-bottom: 6px; color: var(--text-secondary); }
.progress-track { width: 100%; height: 10px; background: #e2e8f0; border-radius: 5px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--success); font-size: 9px; color: #ffffff; display: flex; align-items: center; justify-content: center; }

/* MODAL */
.modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: rgba(15, 23, 42, 0.6) !important;
    backdrop-filter: blur(4px) !important;
    display: none !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 99999 !important;
    padding: 16px !important;
}
.modal.active { display: flex !important; }
.modal-content {
    background: #ffffff !important;
    border-radius: 16px !important;
    width: 100% !important;
    max-width: 680px !important;
    max-height: 90vh !important;
    display: flex !important;
    flex-direction: column !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35) !important;
    overflow: hidden !important;
    margin: auto !important;
}
.modal-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 16px 24px !important;
    border-bottom: 1px solid #e2e8f0 !important;
    background: #ffffff !important;
}
.modal-header h2 { font-size: 1.15rem !important; font-weight: 700 !important; color: #0f172a !important; }
.modal-close {
    background: #f1f5f9; border: none; font-size: 16px; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; color: #64748b; display: flex; align-items: center; justify-content: center;
}
.modal-body { padding: 22px 26px !important; overflow-y: auto !important; flex: 1 !important; background: #ffffff !important; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: #334155; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 12px; font-size: 13.5px; border: 1px solid #cbd5e1; border-radius: 8px; background: #ffffff; color: #0f172a;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.subtask-item { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.subtask-item input[type="text"] { flex: 1; padding: 6px 10px; font-size: 12.5px; }
.subtask-item button { background: none; border: none; cursor: pointer; font-size: 14px; }
.decision-row-item {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.modal-actions { padding: 14px 24px !important; border-top: 1px solid #e2e8f0 !important; background: #f8fafc !important; display: flex !important; justify-content: flex-end !important; gap: 10px !important; }

/* BİLDİRİM (TOAST) */
.notification {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    background: #1e293b;
    color: #ffffff;
    font-size: 13.5px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 1000001;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
}
.notification.show { opacity: 1; transform: translateY(0); }
.notification.notification-success { background: #065f46; border: 1px solid #059669; }
.notification.notification-error { background: #991b1b; border: 1px solid #dc2626; }
.notification.notification-warning { background: #92400e; border: 1px solid #d97706; }
.notification.notification-info { background: #1e293b; border: 1px solid #334155; }

/* MOBİL GÖRÜNÜM */
@media (max-width: 768px) {
    body { padding: 8px !important; }
    .app-container { width: 100% !important; }
    .mobile-menu-btn { display: block; }
    
    .header-actions {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 14px;
        flex-direction: column;
        box-shadow: var(--shadow-lg);
        z-index: 100;
        margin-top: 6px;
    }
    .header-actions.open { display: flex; }
    .header-actions button { width: 100%; justify-content: center; }

    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 8px !important; }
    .toolbar-card { padding: 10px !important; flex-direction: column !important; align-items: stretch !important; }
    .toolbar-left, .toolbar-right { width: 100% !important; flex-direction: column !important; align-items: stretch !important; }
    .search-box, .toolbar-left select, .toolbar-right button { width: 100% !important; min-width: 100% !important; }
    .kanban-board { grid-template-columns: 1fr !important; gap: 12px !important; }
    .kanban-column { max-height: none !important; }
    .form-row { grid-template-columns: 1fr !important; gap: 8px !important; }
    .modal-content { max-width: 95% !important; }
}