/* Google Fonts - Premium Modern Look */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

/* Base Variables - Vibrant Premium Palette */
:root {
    --bg-main: #f3f4f6; /* Soft airy gray */
    --text-main: #1f2937;
    --col-bg: #f8fafc;
    --card-bg: #ffffff;
    --card-hover-shadow: rgba(99, 102, 241, 0.15);
    --card-border: #e5e7eb;
    --header-bg: #ffffff;
    --header-border: #e5e7eb;
    --text-muted: #6b7280;
    --title-color: #111827;
    --kanban-drag-hover: #e0e7ff;
    
    /* Primary Gradient */
    --nav-bg: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --nav-text: #ffffff;
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
}

[data-bs-theme="dark"] {
    --bg-main: #0b0f19; /* Deep sophisticated dark */
    --text-main: #f3f4f6;
    --col-bg: #111827;
    --card-bg: #1f2937;
    --card-hover-shadow: rgba(0, 0, 0, 0.6);
    --card-border: #374151;
    --header-bg: #1f2937;
    --header-border: #374151;
    --text-muted: #9ca3af;
    --title-color: #f9fafb;
    --kanban-drag-hover: #374151;
    
    /* Primary Gradient */
    --nav-bg: linear-gradient(135deg, #312e81 0%, #4c1d95 100%);
    --nav-text: #e0e7ff;
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Navbar Customizations */
.navbar {
    background: var(--nav-bg) !important;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}
.navbar-brand {
    color: var(--nav-text) !important;
}

.navbar .btn-light {
    color: var(--primary-color) !important;
    background-color: var(--card-bg) !important;
    border: none;
}
.navbar .btn-light:hover {
    background-color: #f3f4f6 !important;
}
[data-bs-theme="dark"] .navbar .btn-light {
    color: var(--text-main) !important;
}
[data-bs-theme="dark"] .navbar .btn-light:hover {
    background-color: var(--kanban-drag-hover) !important;
}

/* Button Customizations */
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background: var(--primary-color) !important; transition: background 0.3s; }
.btn-primary { background: var(--primary-color); border-color: var(--primary-color); font-weight: 500;}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

/* Kanban Board Styling */
.kanban-board {
    min-height: calc(100vh - 120px);
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 20px;
    scroll-snap-type: x mandatory;
}

.kanban-col-wrapper {
    min-width: 320px; /* Wider for better reading */
    scroll-snap-align: center;
}

.kanban-col {
    background-color: var(--col-bg);
    border-radius: 20px;
    height: 100%;
    min-height: 75vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.4s ease;
    border: 1px solid var(--card-border);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.card-header-styled {
    background-color: var(--header-bg);
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    border-bottom: 1px dashed var(--header-border);
    transition: background-color 0.4s ease, border-color 0.4s ease;
    padding: 1.25rem 1.5rem;
}

.kanban-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5rem 1.25rem;
}

/* Scrollbar Customization */
.custom-scrollbar::-webkit-scrollbar { width: 6px; height: 6px; }
.custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
[data-bs-theme="dark"] .custom-scrollbar::-webkit-scrollbar-thumb { background: #475569; }

/* Task Card Styling */
.task-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 18px;
    margin-bottom: 18px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
    cursor: grab;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--card-border);
    border-left: 6px solid transparent;
}

.task-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 12px 20px var(--card-hover-shadow);
    border-color: var(--primary-color);
}

.task-card:active { cursor: grabbing; transform: scale(0.98); }
.task-card.dragging { opacity: 0.6; transform: scale(0.95); box-shadow: none; border-style: dashed; }

.kanban-body.drag-over {
    background-color: var(--kanban-drag-hover);
    border-radius: 16px;
}

/* Priority Colors (Left Border) */
.priority-high { border-left-color: #ef4444; }
.priority-medium { border-left-color: #f59e0b; }
.priority-low { border-left-color: #10b981; }

/* Priority Badge Colors */
.badge-high { background-color: #fee2e2; color: #b91c1c; }
.badge-medium { background-color: #fef3c7; color: #b45309; }
.badge-low { background-color: #d1fae5; color: #047857; }

[data-bs-theme="dark"] .badge-high { background-color: rgba(239, 68, 68, 0.15); color: #fca5a5; }
[data-bs-theme="dark"] .badge-medium { background-color: rgba(245, 158, 11, 0.15); color: #fcd34d; }
[data-bs-theme="dark"] .badge-low { background-color: rgba(16, 185, 129, 0.15); color: #6ee7b7; }

/* Category Badge Colors */
.badge-work { background-color: #e0e7ff; color: #4338ca; }
.badge-personal { background-color: #fce7f3; color: #be185d; }
.badge-study { background-color: #e0f2fe; color: #0369a1; }
.badge-health { background-color: #dcfce7; color: #15803d; }
.badge-other { background-color: #f3f4f6; color: #374151; }

[data-bs-theme="dark"] .badge-work { background-color: rgba(67, 56, 202, 0.2); color: #a5b4fc; }
[data-bs-theme="dark"] .badge-personal { background-color: rgba(190, 24, 93, 0.2); color: #f9a8d4; }
[data-bs-theme="dark"] .badge-study { background-color: rgba(3, 105, 161, 0.2); color: #7dd3fc; }
[data-bs-theme="dark"] .badge-health { background-color: rgba(21, 128, 61, 0.2); color: #86efac; }
[data-bs-theme="dark"] .badge-other { background-color: rgba(55, 65, 81, 0.5); color: #d1d5db; }

/* Text Customizations */
.badge {
    padding: 0.4em 0.8em;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.task-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--title-color);
    margin-bottom: 8px;
    word-break: break-word;
    white-space: normal;
    line-height: 1.3;
}

.task-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.task-meta {
    font-size: 12.5px;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}

/* Action Buttons */
.task-actions {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.task-card:hover .task-actions { opacity: 1; }

@media (max-width: 768px) {
    .task-actions { opacity: 1; }
    .kanban-board { padding-bottom: 10px; }
}

.btn-action {
    background: none;
    border: none;
    padding: 6px 12px;
    font-size: 14px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.btn-edit { color: #3b82f6; }
.btn-edit:hover { background: rgba(59, 130, 246, 0.15); transform: translateY(-1px); }
.btn-delete { color: #ef4444; }
.btn-delete:hover { background: rgba(239, 68, 68, 0.15); transform: translateY(-1px); }

/* Status Selector Customization */
.status-select {
    width: auto;
    font-size: 13px;
    font-weight: 500;
    padding: 4px 28px 4px 10px;
    border-radius: 8px;
    background-color: var(--bg-main);
    color: var(--title-color);
    border: 1px solid var(--header-border);
    cursor: pointer;
    transition: all 0.2s;
}

.status-select:hover {
    border-color: var(--primary-color);
}

.status-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

[data-bs-theme="dark"] .modal-content {
    background-color: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--header-border);
}

[data-bs-theme="dark"] .form-control, [data-bs-theme="dark"] .form-select {
    background-color: var(--bg-main);
    color: var(--text-main);
    border-color: var(--header-border);
}

[data-bs-theme="dark"] .form-control:focus, [data-bs-theme="dark"] .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
}

[data-bs-theme="dark"] .input-group-text {
    background-color: var(--bg-main);
    color: var(--text-muted);
    border-color: var(--header-border);
}

[data-bs-theme="dark"] .modal-footer.bg-light {
    background-color: var(--col-bg) !important;
}

.modal-header.bg-primary {
    background: var(--nav-bg) !important;
}