@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Theme Variables - Matching Notepad Palette */
    --bg-color: #f3f4f6;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --paper-bg: #ffffff;
    --dock-bg: rgba(255, 255, 255, 0.85);
    --border-color: #e2e8f0;
    --accent-color: #ef4444;
    /* Pomodoro Red */
    --accent-hover: #dc2626;
    --dock-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.05);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --selection-bg: #fee2e2;
    --ease-out-quart: cubic-bezier(0.165, 0.84, 0.44, 1);
}

[data-theme="dark"] {
    --bg-color: #0c0c0e;
    /* Deep midnight */
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --paper-bg: #151518;
    /* Slightly lighter than bg */
    --dock-bg: rgba(26, 26, 30, 0.8);
    --border-color: #2a2a30;
    --accent-color: #f87171;
    --accent-hover: #fca5a5;
    --dock-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.08);
    --card-shadow: none;
    --selection-bg: #450a0a;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: background-color 0.4s ease, color 0.4s ease;
    background-image: radial-gradient(circle at 50% 0%, rgba(var(--accent-color), 0.03) 0%, transparent 50%);
}

/* --- Floating Nav Dock --- */
.nav-dock {
    position: fixed;
    top: 24px;
    height: 56px;
    padding: 0 16px;
    background: var(--dock-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 8px;
    /* Reduced gap for more items */
    box-shadow: var(--dock-shadow);
    z-index: 1000;
    transition: all 0.3s var(--ease-out-quart);
    max-width: 98vw;
    /* Allow wider for many items */
    border: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-color);
    padding-right: 12px;
    border-right: 1px solid var(--border-color);
}

.logo svg {
    stroke: var(--accent-color);
}

.nav-center {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: center;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    /* Push to right */
}

.mode-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn:hover {
    color: var(--text-color);
    background: rgba(125, 125, 125, 0.05);
}

.mode-btn.active {
    background: rgba(var(--accent-color), 0.1);
    color: var(--accent-color);
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.icon-btn:hover {
    background: rgba(125, 125, 125, 0.1);
    color: var(--text-color);
}

.divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 8px;
}

/* Custom Selects */
.select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.select-wrapper::after {
    content: '';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 7px;
    height: 4px;
    background-color: var(--text-muted);
    clip-path: polygon(100% 0%, 0 0%, 50% 100%);
    pointer-events: none;
    opacity: 0.6;
}

select {
    appearance: none;
    background: rgba(125, 125, 125, 0.05);
    border: 1px solid transparent;
    color: var(--text-color);
    padding: 6px 28px 6px 12px;
    /* Increased right padding for arrow */
    border-radius: 99px;
    /* Pill shape for premium feel */
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
}

select:hover {
    background: rgba(125, 125, 125, 0.1);
    border-color: var(--accent-color);
}

select:focus {
    background: var(--paper-bg);
    border-color: var(--accent-color);
}

/* --- Main Area --- */
main {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 140px;
    padding-bottom: 120px;
    overflow-y: auto;
}

.timer-card,
.info-card {
    background: var(--paper-bg);
    width: 90%;
    max-width: 480px;
    padding: 60px 40px;
    border-radius: 32px;
    box-shadow: var(--dock-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 32px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s var(--ease-out-quart);
    backdrop-filter: blur(8px);
}

.info-card {
    max-width: 700px;
    text-align: left;
    align-items: flex-start;
}

.info-card h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 32px;
    color: var(--accent-color);
    letter-spacing: -0.02em;
}

.info-card p {
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

#timer-display {
    font-family: 'Outfit', sans-serif;
    font-size: 7.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 10px 0 30px 0;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
    line-height: 1;
}

.timer-controls {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 14px 40px;
    border-radius: 18px;
    font-weight: 700;
    font-size: 1.15rem;
    cursor: pointer;
    box-shadow: 0 10px 20px -5px rgba(var(--accent-color), 0.35);
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--accent-hover);
    box-shadow: 0 15px 25px -5px rgba(var(--accent-color), 0.45);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background: rgba(125, 125, 125, 0.08);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 14px 28px;
    border-radius: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(125, 125, 125, 0.15);
}

/* --- Tasks Section --- */
.tasks-container {
    width: 90%;
    max-width: 480px;
}

.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 0 8px;
}

.tasks-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-color);
}

.add-task-box {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.add-task-box input {
    flex: 1;
    background: var(--paper-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 14px 20px;
    border-radius: 16px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s;
    box-shadow: var(--card-shadow);
}

.add-task-box input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(var(--accent-color), 0.1);
}

.btn-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    padding: 0;
}

.task-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-item {
    background: var(--paper-bg);
    padding: 16px 20px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s var(--ease-out-quart);
    box-shadow: var(--card-shadow);
}

.task-item:hover {
    transform: translateX(4px);
    border-color: var(--accent-color);
}

.task-item.completed {
    opacity: 0.5;
}

.task-item.completed .task-text {
    text-decoration: line-through;
    color: var(--text-muted);
}

.task-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.task-checkbox.checked {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.task-text {
    flex: 1;
    font-size: 1rem;
    font-weight: 500;
}

.task-delete {
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s, transform 0.2s;
    padding: 4px;
    opacity: 0.6;
}

.task-delete:hover {
    color: #ef4444;
    transform: scale(1.1);
    opacity: 1;
}

/* --- Status Dock --- */
.status-dock {
    position: fixed;
    bottom: 32px;
    background: var(--dock-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 10px 24px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--dock-shadow);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    z-index: 900;
}

.status-item {
    font-variant-numeric: tabular-nums;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-label {
    opacity: 0.8;
}

.status-value {
    color: var(--text-color);
    font-weight: 700;
}

/* --- Animations --- */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.02);
        opacity: 0.95;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.running #timer-display {
    animation: pulse 2s infinite ease-in-out;
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(125, 125, 125, 0.2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(125, 125, 125, 0.3);
}

/* Mobile Adjustments */
@media (max-width: 600px) {
    #timer-display {
        font-size: 5rem;
    }

    .nav-dock {
        width: 94%;
        top: 10px;
        height: auto;
        padding: 10px;
        flex-wrap: wrap;
        justify-content: center;
        border-radius: 20px;
    }

    .logo {
        border-right: none;
        padding-right: 0;
        margin-bottom: 4px;
    }

    .timer-card {
        padding: 40px 20px;
    }

    .status-dock {
        bottom: 16px;
        width: auto;
        padding: 8px 20px;
    }
}