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

/* Dark theme - Neutral Pastel */
:root {
    --primary-color: #9d9895;
    --secondary-color: #98999d;
    --accent-color: #a8a8a8;
    --bg-color: #1e1e1e;
    --bg-gradient: linear-gradient(180deg, #1e1e1e 0%, #282828 100%);
    --card-bg: #2a2a2a;
    --text-color: #d8d8d8;
    --text-muted: #9d9d9d;
    --border-color: #404040;
    --success-color: #9db8ad;
    --warning-color: #c5bda8;
    --danger-color: #c5b0b0;
    --info-color: #a8b8c5;

    --q1-color: #c5b0b0;
    --q2-color: #a8b8c5;
    --q3-color: #c5bda8;
    --q4-color: #b5b2ad;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* Light theme - Neutral Pastel */
[data-theme="light"] {
    --primary-color: #9d9895;
    --secondary-color: #98999d;
    --accent-color: #a8a8a8;
    --bg-color: #fafafa;
    --bg-gradient: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
    --card-bg: #ffffff;
    --text-color: #5a5a5a;
    --text-muted: #989898;
    --border-color: #ebebeb;
    --success-color: #9db8ad;
    --warning-color: #c5bda8;
    --danger-color: #c5b0b0;
    --info-color: #a8b8c5;

    --q1-color: #c5b0b0;
    --q2-color: #a8b8c5;
    --q3-color: #c5bda8;
    --q4-color: #b5b2ad;

    --shadow-sm: 0 2px 4px rgba(58, 58, 58, 0.02);
    --shadow-md: 0 4px 8px rgba(58, 58, 58, 0.03);
    --shadow-lg: 0 8px 16px rgba(58, 58, 58, 0.04);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-gradient);
    color: var(--text-color);
    min-height: 100vh;
    padding: 2.5rem;
    transition: background 0.3s ease, color 0.3s ease;
    font-size: 15px;
    line-height: 1.8;
    letter-spacing: 0.02em;
    font-weight: 300;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(168, 162, 158, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(156, 163, 175, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.app {
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1.3;
}

h2 {
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1.4;
}

h3 {
    font-weight: 400;
    letter-spacing: 0.01em;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.03em;
    line-height: 1.6;
}

/* Stats Dashboard */
.stats-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Form Container */
.form-container {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.form-title {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.form-subtitle {
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

/* Eisenhower Matrix Grid */
.section-label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-label .required {
    color: var(--danger-color);
}

.eisenhower-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.matrix-cell {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.matrix-cell::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: all 0.3s ease;
}

.matrix-cell.q1::before { background: var(--q1-color); }
.matrix-cell.q2::before { background: var(--q2-color); }
.matrix-cell.q3::before { background: var(--q3-color); }
.matrix-cell.q4::before { background: var(--q4-color); }

.matrix-cell:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.matrix-cell.q1:hover { border-color: var(--q1-color); background: rgba(239, 68, 68, 0.1); }
.matrix-cell.q2:hover { border-color: var(--q2-color); background: rgba(59, 130, 246, 0.1); }
.matrix-cell.q3:hover { border-color: var(--q3-color); background: rgba(245, 158, 11, 0.1); }
.matrix-cell.q4:hover { border-color: var(--q4-color); background: rgba(107, 114, 128, 0.1); }

.matrix-cell.active {
    border-width: 2px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.matrix-cell.q1.active { border-color: var(--q1-color); background: rgba(239, 68, 68, 0.2); }
.matrix-cell.q2.active { border-color: var(--q2-color); background: rgba(59, 130, 246, 0.2); }
.matrix-cell.q3.active { border-color: var(--q3-color); background: rgba(245, 158, 11, 0.2); }
.matrix-cell.q4.active { border-color: var(--q4-color); background: rgba(107, 114, 128, 0.2); }

.matrix-label {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    opacity: 0.7;
    margin-bottom: 0.25rem;
}

.matrix-title {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.matrix-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.matrix-examples {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Option Grid (Categories, Goals, Timeframes) */
.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.option-button {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 400;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.02em;
}

.option-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: height 0.3s ease;
}

.option-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.option-button.active {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.2);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.option-button.active::before {
    height: 100%;
    opacity: 0.15;
}

.option-icon {
    font-size: 1.3rem;
    margin-bottom: 0.25rem;
}

/* Status Buttons */
.status-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.status-btn {
    flex: 1;
    min-width: 100px;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.status-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.status-btn.active {
    border-width: 3px;
}

.status-btn[data-status="pending"].active {
    border-color: var(--warning-color);
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.status-btn[data-status="in_progress"].active {
    border-color: var(--info-color);
    background: rgba(59, 130, 246, 0.2);
    color: var(--info-color);
}

.status-btn[data-status="completed"].active {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

/* Collapsible Section */
.collapsible-section {
    margin-bottom: 1rem;
}

.collapsible-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.collapsible-header:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
}

.collapsible-header h3 {
    font-size: 0.85rem;
    font-weight: 600;
}

.toggle-icon {
    font-size: 1rem;
    transition: transform 0.2s ease;
}

.collapsible-header.active .toggle-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1.5rem;
}

.collapsible-content.active {
    max-height: 1000px;
    padding: 1.5rem;
}

/* Form Fields */
.form-group {
    margin-bottom: 0.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"] {
    width: 100%;
    padding: 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Tasks Container */
.tasks-container {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tasks-header h2 {
    font-size: 1.2rem;
}

.filter-tabs {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
    font-size: 0.75rem;
}

.filter-tab:hover {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.filter-tab.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
}

/* Task Cards */
.tasks-grid {
    display: grid;
    gap: 0.75rem;
}

.task-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 0.75rem;
    border-left: 3px solid var(--border-color);
    transition: all 0.2s ease;
}

.task-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(3px);
}

.task-card.q1 { border-left-color: var(--q1-color); }
.task-card.q2 { border-left-color: var(--q2-color); }
.task-card.q3 { border-left-color: var(--q3-color); }
.task-card.q4 { border-left-color: var(--q4-color); }

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.task-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.task-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0.5rem 0;
    line-height: 1.4;
}

.task-badges {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge.q1 { background: linear-gradient(135deg, #ef4444, #dc2626); }
.badge.q2 { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.badge.q3 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.badge.q4 { background: linear-gradient(135deg, #6b7280, #4b5563); }

.badge.status-pending { background: rgba(245, 158, 11, 0.2); color: var(--warning-color); }
.badge.status-in_progress { background: rgba(59, 130, 246, 0.2); color: var(--info-color); }
.badge.status-completed { background: rgba(16, 185, 129, 0.2); color: var(--success-color); }

/* Loading and Messages */
.loading, .loading-small {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.loading-small {
    padding: 1rem;
}

/* Keyboard Shortcuts Help */
.keyboard-help {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 300px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    z-index: 1000;
}

.keyboard-help h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.keyboard-help ul {
    list-style: none;
}

.keyboard-help li {
    padding: 0.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.key {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: monospace;
    font-weight: 700;
}

/* App Structure */
.app {
    min-height: 100vh;
}

.header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-bottom: 4rem;
    box-shadow: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.header-title-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo-graphic {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: gentle-pulse 4s ease-in-out infinite;
}

@keyframes gentle-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.btn-help {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-help:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

/* Stats Grid */
.stats-grid {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.stat-card {
    background: var(--card-bg);
    padding: 2rem 1.75rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: none;
    position: relative;
    overflow: hidden;
    flex: 0 1 auto;
    min-width: 140px;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(168, 162, 158, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-card:hover::before {
    background: radial-gradient(circle, rgba(168, 162, 158, 0.12) 0%, transparent 70%);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.25rem;
    letter-spacing: 0.02em;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.stat-shortcut {
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid transparent;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--bg-color);
    border: none;
    flex: 1;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    opacity: 0.9;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-color);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.shortcut-badge {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-family: monospace;
}

/* Task Creator */
.task-creator {
    background: var(--card-bg);
    border-radius: 28px;
    padding: 3.5rem;
    margin-bottom: 4rem;
    border: 1px solid var(--border-color);
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

.task-creator::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(156, 163, 175, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.creator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.creator-header h2 {
    font-size: 1.3rem;
}

.btn-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0.25rem;
    transition: color 0.2s ease;
}

.btn-close:hover {
    color: var(--danger-color);
}

.creator-step {
    margin-bottom: 3rem;
}

.creator-step h3 {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 400;
}

.input-huge {
    width: 100%;
    padding: 1.25rem 1.5rem;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--text-color);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    font-weight: 300;
    letter-spacing: 0.01em;
    line-height: 1.6;
}

.input-huge:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 0 0 3px rgba(184, 166, 143, 0.1);
}

.textarea-large {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--text-color);
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s ease;
    font-weight: 300;
    letter-spacing: 0.01em;
    line-height: 1.7;
}

.textarea-large:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 0 0 3px rgba(184, 166, 143, 0.1);
}

.creator-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.creator-actions .btn {
    flex: 1;
}

/* Tasks Section */
.tasks-section {
    background: var(--card-bg);
    border-radius: 28px;
    padding: 3.5rem;
    border: 1px solid var(--border-color);
    box-shadow: none;
    position: relative;
}

.tasks-section::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(168, 162, 158, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.3rem;
}

.filter-tabs-compact {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
}

.filter-btn .count {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    font-size: 0.7rem;
}

.tasks-list {
    display: grid;
    gap: 0.75rem;
}

/* Help Overlay */
.help-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.help-modal {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    border: 1px solid var(--border-color);
}

.help-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.help-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.help-item kbd {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.35rem 0.6rem;
    border-radius: 4px;
    font-family: monospace;
    font-weight: 700;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
}

.details-grid {
    display: grid;
    gap: 1rem;
}

.detail-item label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.detail-item input {
    width: 100%;
    padding: 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 0.85rem;
}

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

.timeframe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 0.5rem;
}

.collapsible h3 {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.collapsible h3:hover {
    background: rgba(255, 255, 255, 0.06);
}

.toggle-icon {
    transition: transform 0.2s ease;
}

.collapsible.active .toggle-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.collapsible.active .collapsible-content {
    max-height: 500px;
    padding-top: 1rem;
}

/* Task Detail Modal */
.task-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.task-modal {
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    margin: 0;
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    gap: 1rem;
}

.modal-actions-right {
    display: flex;
    gap: 0.75rem;
}

.modal-loading,
.modal-error {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.modal-error {
    color: var(--danger-color);
}

/* Task Edit Form */
.task-edit-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-section {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 1.25rem;
}

.form-section h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
}

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

.input-large,
.input-medium,
.input-small,
.textarea-large {
    width: 100%;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.input-large:focus,
.input-medium:focus,
.input-small:focus,
.textarea-large:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.textarea-large {
    resize: vertical;
    min-height: 80px;
}

/* Eisenhower Matrix Edit */
.eisenhower-grid-edit {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.matrix-cell-edit {
    padding: 1rem;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.matrix-cell-edit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.matrix-cell-edit.active {
    border-color: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.matrix-cell-edit.q1 {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--q1-color);
}

.matrix-cell-edit.q1.active {
    background: rgba(239, 68, 68, 0.4);
}

.matrix-cell-edit.q2 {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--q2-color);
}

.matrix-cell-edit.q2.active {
    background: rgba(245, 158, 11, 0.4);
}

.matrix-cell-edit.q3 {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--q3-color);
}

.matrix-cell-edit.q3.active {
    background: rgba(59, 130, 246, 0.4);
}

.matrix-cell-edit.q4 {
    background: rgba(107, 114, 128, 0.2);
    border-color: var(--q4-color);
}

.matrix-cell-edit.q4.active {
    background: rgba(107, 114, 128, 0.4);
}

.cell-label {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.cell-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Metadata Section */
.form-section.metadata {
    background: rgba(0, 0, 0, 0.2);
}

.metadata-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.85rem;
}

.metadata-label {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Button Styles */
.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #10b981);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* Theme Toggle Button */
.theme-toggle {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 44px;
    justify-content: center;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Time Slider */
.time-slider {
    width: 100%;
    height: 6px;
    border-radius: 10px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    margin: 1rem 0 0.75rem 0;
}

.time-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.time-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--secondary-color);
}

.time-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.time-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    background: var(--secondary-color);
}

.time-presets {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.preset-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-color);
    border-radius: 10px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 300;
}

.preset-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Date Presets */
.date-presets {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.date-preset-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-color);
    border-radius: 10px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 300;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.date-preset-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

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

#selectedDateDisplay {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 0.9rem;
    display: none;
}

#customDateInput {
    margin-top: 0.75rem;
    display: none;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--card-bg);
    color: var(--text-color);
    padding: 1.25rem 2rem;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    opacity: 0;
    transform: translateY(100px);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
    z-index: 10000;
    max-width: 400px;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--danger-color);
}

/* Smooth transitions for theme changes */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* Exclude specific animations from transition */
*:where(:not(.matrix-cell):not(.option-button):not(.btn):not(.stat-card)) {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 0.5rem;
    }

    h1 {
        font-size: 1.2rem;
    }

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

    .option-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .status-buttons {
        flex-direction: column;
    }

    .status-btn {
        min-width: 100%;
    }

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

    .quick-actions {
        flex-direction: column;
    }

    .filter-tabs-compact {
        width: 100%;
    }

    .filter-btn {
        flex: 1;
    }
}