* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

:root {
    --bg-color: #121623;
    --card-bg: rgba(30, 41, 59, 0.6);
    --card-hover-bg: rgba(51, 65, 85, 0.7);
    --text-color: #e2e8f0;
    --heading-color: #94a3b8;
    --accent-color: #6366f1;
    --accent-color-light: #8b5cf6;
    --border-radius: 16px;
    --shadow: 
        0 10px 25px -5px rgba(0, 0, 0, 0.15), 
        0 5px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    line-height: 1.6;
    background: linear-gradient(135deg, var(--bg-color) 0%, color-mix(in srgb, var(--bg-color) 85%, black) 100%);
    background-attachment: fixed;
}

.container {
    width: 100%;
    max-width: 1400px;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    grid-auto-rows: minmax(220px, auto);
    gap: 1.5rem;
}

.bento-grid.compact-mode {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    grid-auto-rows: minmax(150px, auto);
    gap: 1rem;
}

.bento-item {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(15px);
    transition: 
        transform 0.4s cubic-bezier(0.34, 1.16, 0.64, 1),
        box-shadow 0.3s ease,
        background-color 0.3s ease;
    will-change: transform, box-shadow, background-color;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.bento-grid.compact-mode .bento-item {
    padding: 1rem;
}

.bento-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center, 
        rgba(129, 140, 248, 0.1) 0%, 
        transparent 70%
    );
    opacity: 0;
    transition: var(--transition);
}

.bento-item:hover::before {
    opacity: 1;
}

.bento-item.hover-active {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.bento-item.focus-active {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

.bento-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 15px 30px -10px rgba(0, 0, 0, 0.15),
        0 10px 20px -10px rgba(0, 0, 0, 0.1);
    background-color: var(--card-hover-bg);
}

.bento-item.expanded {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 80vw;
    height: 80vh;
    max-width: 1000px;
    max-height: 800px;
    z-index: 1000;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 9999px rgba(0, 0, 0, 0.4);
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0;
    border-radius: 24px; 
    transition: 
        all 0.7s cubic-bezier(0.32, 0.64, 0.45, 1.16), 
        opacity 0.5s ease;
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.bento-item.expanded {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.bento-item.expanded .content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    padding: 2rem;
    opacity: 1;
    transform: scale(1);
    transition: 
        all 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s,
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
}

.bento-item.expanded .content > * {
    transition: 
        all 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s,
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
    transform: scale(1);
    opacity: 1;
}

.bento-item button,
.bento-item input,
.bento-item textarea {
    cursor: pointer;
    transition: 
        transform 0.2s ease,
        background-color 0.3s ease,
        box-shadow 0.3s ease;
    will-change: transform, background-color, box-shadow;
}

.bento-item button:hover,
.bento-item input:hover,
.bento-item textarea:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.bento-item button:active,
.bento-item input:active,
.bento-item textarea:active {
    transform: scale(0.95);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.bento-item button:focus,
.bento-item input:focus,
.bento-item textarea:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    animation: input-focus 0.3s ease;
}

@keyframes input-focus {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Date styles */
#date .content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

#date .day {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent-color);
    transition: color 0.5s ease, transform 0.3s ease;
}

#date .day:hover {
    color: var(--accent-color-light);
    transform: scale(1.05);
}

#date .month, #date .year {
    font-size: 1.2rem;
}

/* Time styles */
#time .clock {
    font-size: 3rem;
    font-weight: bold;
    text-align: center;
    transition: color 0.5s ease, transform 0.3s ease;
}

#time .clock:hover {
    color: var(--accent-color-light);
    transform: scale(1.05);
}

/* Weather styles */
#weather .temperature {
    font-size: 2rem;
    font-weight: bold;
    margin-top: 0.5rem;
}

#weather .weather-description {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--heading-color);
}

/* Stopwatch styles */
#stopwatch .stopwatch-display, #timer .timer-display {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    font-variant-numeric: tabular-nums;
}

.controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: 
        transform 0.2s ease,
        background-color 0.3s ease,
        box-shadow 0.3s ease;
    will-change: transform, background-color, box-shadow;
}

button:hover {
    opacity: 0.9;
}

button:active {
    transform: scale(0.95);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Timer styles */
.timer-input {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

input[type="number"] {
    width: 4rem;
    padding: 0.5rem;
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-color);
    text-align: center;
}

.timer-visual {
    width: 100px;
    height: 100px;
    margin: 1rem auto;
}

.timer-visual svg {
    transition: all 0.5s ease;
}

/* Notes styles */
#notes textarea {
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 0.5rem;
    color: var(--text-color);
    resize: none;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 400px;
    text-align: center;
    position: relative;
    backdrop-filter: blur(10px);
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
}

/* Music Player styles */
#music-player {
    display: flex;
    flex-direction: column;
}

#music-player .content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex: 1;
}

#music-player .music-info {
    text-align: center;
    margin-bottom: 1rem;
}

#music-player .song-title {
    font-size: 1rem;
    font-weight: bold;
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#music-player .artist-name {
    font-size: 0.8rem;
    color: var(--heading-color);
}

#music-player .music-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

#music-player .music-controls button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: 
        transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55),
        color 0.3s ease;
}

#music-player .music-controls button:hover {
    transform: scale(1.2) rotate(5deg);
    color: var(--accent-color);
}

#music-player #volume-slider {
    width: 100%;
    accent-color: var(--accent-color);
    transition: all 0.3s ease;
}

#music-player #volume-slider:hover {
    transform: scale(1.05);
}

#music-player #audio-file {
    display: none;
}

/* Make some items span multiple columns or rows */
@media (min-width: 768px) {
    #date {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    #time {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    #weather {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    #stopwatch {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    #timer {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    #notes {
        grid-column: span 1;
        grid-row: span 1;
    }
}

.settings-button {
    display: none;
}

.edit-mode-button,
.edit-modal-content,
.size-controls,
.modal-actions {
    display: none;
}

/* Light theme */
.light-theme {
    --bg-color: #f0f4f8;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-hover-bg: rgba(255, 255, 255, 0.9);
    --text-color: #1a202c;
    --heading-color: #2d3748;
    --accent-color: #3182ce;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.background-particle {
    position: absolute;
    background: rgba(129, 140, 248, 0.2); 
    border-radius: 50%;
    pointer-events: none;
    transition: all 0.5s ease-out;
    will-change: transform, opacity, filter;
    animation: float-and-fade linear infinite;
}

@keyframes float-and-fade {
    0% {
        transform: translateY(0) scale(0.8);
        opacity: 0.2;
        filter: blur(2px);
    }
    50% {
        transform: translateY(-60px) scale(1.1);
        opacity: 0.5;
        filter: blur(1px);
    }
    100% {
        transform: translateY(100vh) scale(0.6);
        opacity: 0;
        filter: blur(4px);
    }
}

/* Calculator styles */
#calculator {
    display: flex;
    flex-direction: column;
}

#calculator .content {
    display: flex;
    flex-direction: column;
    flex: 1;
    justify-content: center;
}

.calculator-display {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    padding: 0.5rem;
    text-align: right;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.calc-btn {
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem;
    font-size: 1rem;
    transition: 
        transform 0.2s ease,
        background-color 0.3s ease,
        box-shadow 0.3s ease;
    will-change: transform, background-color, box-shadow;
}

.calc-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.calc-btn:active {
    transform: scale(0.95);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.calc-btn[data-type="equals"] {
    background-color: var(--accent-color);
    color: white;
}

.calc-btn[data-type="clear"] {
    background-color: rgba(255, 0, 0, 0.2);
}