/* Dark Coder Theme CSS */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-elevated: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    --accent-primary: #58a6ff;
    --accent-secondary: #238636;
    --accent-danger: #f85149;
    --accent-warning: #d29922;
    --border-primary: #30363d;
    --border-secondary: #21262d;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.25);
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-light);
}

.title {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.title-icon {
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

.title-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: 0.5rem;
}

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

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Tool Section Styles */
.tool-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
}

.tool-section:hover {
    box-shadow: var(--shadow-heavy);
    transform: translateY(-2px);
}

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

.tool-title {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-icon {
    font-size: 1.1rem;
}

.tool-status {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border-secondary);
}

/* Timer Styles */
.timer-display {
    text-align: center;
    margin: 2rem 0;
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-shadow: 0 0 20px rgba(88, 166, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.time-unit {
    background: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-primary);
    display: inline-block;
    min-width: 80px;
    text-align: center;
}

.time-separator {
    color: var(--text-secondary);
    font-weight: 400;
    display: inline-block;
}

.timer-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.time-input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.time-input-group input {
    width: 80px;
    padding: 0.5rem;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: var(--font-mono);
    text-align: center;
    font-size: 1rem;
}

.time-input-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.time-input-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.timer-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

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

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

.btn-primary:hover {
    background: #4d9eff;
}

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

.btn-secondary:hover {
    background: var(--bg-elevated);
}

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

.btn-danger:hover {
    background: #e53e3e;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.7rem;
    height: 32px;
}

/* Time Allocation Styles */
.allocation-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.allocation-inputs {
    display: flex;
    gap: 1rem;
    align-items: end;
}

.allocation-input-group {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    align-items: center;
}

.task-input {
    flex: 1;
    padding: 0.4rem;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: var(--font-mono);
    min-width: 120px;
    font-size: 0.8rem;
    height: 32px;
}

.allocation-visual {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1rem;
}

.calendar-container {
    position: relative;
    height: 400px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    overflow: auto;
}

.time-slots {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.time-slot {
    height: 30px;
    border-bottom: 1px solid var(--border-secondary);
    display: flex;
    align-items: center;
    padding-left: 10px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    position: relative;
}

.time-slot:hover {
    background: var(--bg-elevated);
}

.task-events {
    position: absolute;
    top: 0;
    left: 60px;
    right: 0;
    bottom: 0;
    z-index: 2;
    pointer-events: none;
}

.task-event {
    position: absolute;
    left: 5px;
    right: 5px;
    background: var(--accent-primary);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: white;
    cursor: pointer;
    pointer-events: auto;
    user-select: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.task-event:hover {
    filter: brightness(1.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.task-event.dragging {
    opacity: 0.8;
    transform: scale(1.02);
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.task-event.resizing {
    opacity: 0.9;
    z-index: 10;
}

.resize-handle {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    cursor: ns-resize;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 0 0 4px 4px;
}

.resize-handle:hover {
    background: rgba(255, 255, 255, 0.5);
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.task-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.task-item .task-name {
    color: var(--text-primary);
}

.task-item .task-time {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.task-item .task-hours {
    color: var(--accent-primary);
    font-weight: 600;
}

.task-item .remove-task {
    background: var(--accent-danger);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    font-size: 0.75rem;
}

/* Live Task Tracker Styles */
.task-tracker-content {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    padding: 1.5rem 0 0.5rem 0;
}
.tracker-label {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}
.tracker-input {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}
.tracker-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}
.tracker-status-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.tracker-status-label {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-secondary);
}
.tracker-status-btn {
    font-family: var(--font-mono);
    font-size: 1rem;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    border: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}
.tracker-status-btn.active, .tracker-status-btn:focus {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}
.tracker-status-btn:active {
    transform: scale(0.97);
}

.tracker-task-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 400px; /* Increased height */
    overflow-y: auto;
}
.tracker-task-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 1rem;
}
.tracker-task-checkbox {
    width: 1.2em;
    height: 1.2em;
    accent-color: var(--accent-primary);
    margin-right: 0.7rem;
    cursor: pointer;
    border: none;
    outline: none;
    box-shadow: none;
    transition: none;
    appearance: checkbox;
}
.tracker-task-checkbox:hover,
.tracker-task-checkbox:focus,
.tracker-task-checkbox:active {
    border: none;
    outline: none;
    box-shadow: none;
    background: inherit;
    width: 1.2em;
    height: 1.2em;
}
.tracker-task-delete {
    margin-left: auto;
    background: var(--accent-danger);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 0.2rem 0.7rem;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}
.tracker-task-delete:hover {
    background: #e53e3e;
}
#add-task-form .tracker-input {
    margin-bottom: 0;
    flex: 1;
}

/* Progress Bar Styles for Checklist */
.progress-container {
    width: 100%;
    height: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    padding: 1rem 2rem;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.95em;
    transition: color 0.2s;
}
.footer-link:hover {
    color: #4d9eff;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 1rem;
    }
    
    .timer-display {
        font-size: 2rem;
        gap: 0.15rem;
    }
    
    .time-unit {
        min-width: 60px;
        padding: 0.25rem 0.5rem;
    }
    
    .timer-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .allocation-inputs {
        flex-direction: column;
    }
    
    .allocation-input-group {
        flex-direction: column;
    }
    
    .title {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .title-subtitle {
        margin-left: 0;
    }
}

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

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

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

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

/* Focus States */
input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

/* Animation for status changes */
.tool-status {
    transition: all 0.3s ease;
}

.tool-status.running {
    color: var(--accent-secondary);
    background: rgba(35, 134, 54, 0.2);
    border-color: var(--accent-secondary);
}

.tool-status.paused {
    color: var(--accent-warning);
    background: rgba(210, 153, 34, 0.2);
    border-color: var(--accent-warning);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #e0e0e0;
    --bg-elevated: #d5d5d5;
    --text-primary: #0d1117;
    --text-secondary: #586069;
    --text-muted: #6a737d;
    --accent-primary: #0366d6;
    --accent-secondary: #28a745;
    --accent-danger: #d73a49;
    --accent-warning: #dbab09;
    --border-primary: #e1e4e8;
    --border-secondary: #d1d5da;
    /* Shadows remain similar or adjust as needed */
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.25);
}