/* ========================================
   TimeSnap Styles
   A beautiful timer/chrono/clock app
   ======================================== */

/* === CSS Variables === */
:root {
    --bg-dark: #C45CA8;
    --accent-primary: #000;
    --accent-secondary: #1a1a1a;
    --text-light: #000;
    --text-dim: #333;
    --panel-bg: rgba(255, 255, 255, .95);
    --panel-border: rgba(0, 0, 0, .2);
}

/* === Reset & Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

button, input, select, label {
    -webkit-user-select: none;
    user-select: none;
}

/* === Background Layer === */
.background-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    background: #C45CA8;
}

.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity .5s ease;
    z-index: 1;
}

.black-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    opacity: 0;
    z-index: 2;
    pointer-events: none;
    transition: opacity .3s ease;
}

/* === Main Container === */
.container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === Header === */
header {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideDown .6s ease;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 900;
    color: #000;
    letter-spacing: -1px;
}

/* === Mode Toggle === */
.mode-toggle {
    display: flex;
    gap: .5rem;
    background: var(--panel-bg);
    padding: .5rem;
    border-radius: 50px;
    border: 1px solid var(--panel-border);
    backdrop-filter: blur(10px);
}

.mode-btn {
    padding: .5rem 1.5rem;
    background: transparent;
    color: var(--text-dim);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all .3s ease;
    font-family: 'JetBrains Mono', monospace;
    font-size: .9rem;
    font-weight: 700;
    -webkit-tap-highlight-color: rgba(0, 0, 0, .1);
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
}

.mode-btn.active {
    background: #000;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, .3);
}

/* === Timer Section === */
.timer-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    animation: fadeIn .8s ease .2s both;
    position: relative;
}

.timer-content-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.timer-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 700;
    line-height: 1;
    text-align: center;
    color: #000;
    margin-bottom: 3rem;
    letter-spacing: .05em;
    text-shadow: none;
    transition: font-size 0.3s ease;
}

.timer-display.with-milliseconds {
    font-size: clamp(3rem, 11vw, 9rem);
    letter-spacing: .03em;
}

.timer-display.clock-with-date {
    font-size: clamp(3rem, 11vw, 9rem);
    letter-spacing: .03em;
}

.timer-display.clock-with-date-day {
    font-size: clamp(2.5rem, 9vw, 7.5rem);
    letter-spacing: .02em;
}

.fullscreen-mode .timer-display {
    margin-bottom: 0;
}

/* === Controls === */
.controls {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.control-btn {
    padding: 1rem 2.5rem;
    background: var(--panel-bg);
    color: var(--text-light);
    border: 2px solid var(--panel-border);
    border-radius: 12px;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
    transition: all .3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    -webkit-tap-highlight-color: rgba(0, 0, 0, .1);
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
}

.control-btn:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(0, 0, 0, .2);
    transform: translateY(-2px);
}

.control-btn.primary {
    background: #000;
    border-color: transparent;
    color: #fff;
}

.control-btn.primary:hover {
    box-shadow: 0 0 30px rgba(0, 0, 0, .3);
}

/* === Settings === */
.settings-toggle-btn {
    margin-top: 1rem;
    padding: 1rem 2.5rem;
    background: var(--panel-bg);
    color: var(--text-light);
    border: 2px solid var(--panel-border);
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: .5rem;
    justify-content: center;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    transition: all .3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    -webkit-tap-highlight-color: rgba(0, 0, 0, .1);
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
    width: auto;
    min-width: 200px;
}

.settings-toggle-btn:hover {
    background: rgba(0, 0, 0, .05);
    border-color: #000;
    transform: translateY(-2px);
}

.settings-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    backdrop-filter: blur(10px);
    animation: slideUp .6s ease both;
    -webkit-backdrop-filter: blur(10px);
    max-height: 70vh;
    overflow-y: auto;
    overflow-x: hidden;
    margin-top: 1.5rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, .3) rgba(0, 0, 0, .05);
}

.settings-panel::-webkit-scrollbar {
    width: 10px;
}

.settings-panel::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, .05);
    border-radius: 10px;
    margin: 16px 0;
}

.settings-panel::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, .3);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

.settings-panel::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, .5);
    background-clip: padding-box;
}

.settings-panel h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.setting-group {
    margin-bottom: 1.5rem;
}

.setting-group label {
    display: block;
    margin-bottom: .5rem;
    color: var(--text-dim);
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    -webkit-user-select: none;
    user-select: none;
}

/* === Form Elements === */
.time-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.time-input-wrapper {
    text-align: center;
}

.time-input-wrapper label {
    font-size: .75rem;
    margin-bottom: .25rem;
}

input[type=number] {
    width: 100%;
    padding: .75rem;
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    color: var(--text-light);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    text-align: center;
    transition: all .3s ease;
}

input[type=number]:focus {
    outline: 0;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, .1);
}

.custom-select {
    width: 100%;
    padding: .75rem;
    background: rgba(255, 255, 255, .05);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    color: var(--text-light);
    font-family: 'JetBrains Mono', monospace;
    font-size: .9rem;
    cursor: pointer;
    transition: all .3s ease;
}

.custom-select:focus {
    outline: 0;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, .1);
}

.custom-select option {
    background: var(--bg-dark);
    color: var(--text-light);
}

/* === Color Selections === */
.color-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
    gap: .75rem;
}

.color-option, .glow-color-option, .bg-color-option {
    aspect-ratio: 1;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .3s ease;
    position: relative;
    -webkit-tap-highlight-color: rgba(0, 0, 0, .1);
    touch-action: manipulation;
}

.color-option:hover, .glow-color-option:hover, .bg-color-option:hover {
    border-color: #000;
    transform: scale(1.1);
}

.color-option.active, .glow-color-option.active, .bg-color-option.active {
    border-color: #000;
    box-shadow: 0 0 15px rgba(0, 0, 0, .4);
}

.color-option.active::after, .glow-color-option.active::after, .bg-color-option.active::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 0 5px rgba(0, 0, 0, .8);
}

.color-picker-btn {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .05);
    border: 2px dashed var(--panel-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all .3s ease;
    font-size: 1.5rem;
    color: var(--text-dim);
    position: relative;
    overflow: visible;
}

.color-picker-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.color-picker-btn input[type=color] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    border: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.color-picker-btn span {
    pointer-events: none;
    position: relative;
    z-index: 1;
}

/* === Toggle Switch === */
.glow-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.toggle-wrapper {
    display: flex;
    align-items: center;
}

.toggle-checkbox {
    display: none;
}

.toggle-label {
    display: block;
    position: relative;
    width: 60px;
    height: 30px;
    background: rgba(255, 255, 255, .1);
    border-radius: 50px;
    cursor: pointer;
    transition: all .3s ease;
    border: 1px solid var(--panel-border);
}

.toggle-checkbox:checked + .toggle-label {
    background: #000;
    border-color: transparent;
}

.toggle-switch {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 50%;
    transition: all .3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, .3);
}

.toggle-checkbox:checked + .toggle-label .toggle-switch {
    left: calc(100% - 25px);
}

/* === Sliders === */
.opacity-slider {
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: linear-gradient(to right, rgba(0, 0, 0, .1), rgba(0, 0, 0, .5));
    outline: 0;
    -webkit-appearance: none;
    appearance: none;
}

.opacity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #000;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 0, 0, .3);
    transition: all .3s ease;
}

.opacity-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(0, 0, 0, .5);
}

.opacity-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #000;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, .3);
    transition: all .3s ease;
}

.opacity-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(0, 0, 0, .5);
}

.opacity-value {
    margin-top: .5rem;
    text-align: center;
    font-size: 1.2rem;
    color: #000;
    font-weight: 700;
}

/* === Image Upload === */
.image-upload-container {
    display: flex;
    justify-content: center;
}

.image-upload-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 1.5rem 2rem;
    background: rgba(0, 0, 0, .05);
    border: 2px dashed var(--panel-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all .3s ease;
    min-height: 100px;
    width: 100%;
}

.image-upload-btn:hover {
    border-color: #000;
    background: rgba(0, 0, 0, .08);
    transform: translateY(-2px);
}

.upload-icon {
    font-size: 2.5rem;
}

.upload-text {
    font-size: .9rem;
    color: var(--text-dim);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
}

input[type=file] {
    display: none;
}

/* === Fullscreen Button === */
.fullscreen-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #000;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .3);
    transition: all .3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: rgba(0, 0, 0, .1);
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
    line-height: 1;
    padding: 0;
}

.fullscreen-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 0, 0, .4);
}

/* === Footer & Clock === */
.footer-text {
    position: fixed;
    bottom: 1rem;
    left: 0;
    right: 0;
    text-align: center;
    color: #000;
    font-size: .85rem;
    font-weight: 500;
    padding: 0 1rem;
    z-index: 100;
    line-height: 1.4;
    max-width: 90%;
    margin: 0 auto;
}

.clock-display {
    position: fixed;
    bottom: 3rem;
    left: 0;
    right: 0;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: #000;
    z-index: 100;
    letter-spacing: .05em;
    display: none;
}

.clock-display.visible {
    display: block;
}

/* === Fullscreen Mode === */
.fullscreen-mode .settings-panel,
.fullscreen-mode header,
.fullscreen-mode .controls,
.fullscreen-mode .settings-toggle-btn,
.fullscreen-mode .footer-text,
.fullscreen-mode .clock-display {
    display: none !important;
}

.fullscreen-mode #startBtn,
.fullscreen-mode #pauseBtn,
.fullscreen-mode #resetBtn,
.fullscreen-mode #settingsToggleBtn {
    display: none !important;
}

.fullscreen-mode .timer-section {
    height: 100vh;
}

body.fullscreen-active {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body.fullscreen-active .container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

body.fullscreen-active .fullscreen-btn {
    z-index: 10000;
}

body.fullscreen-active .timer-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

body.fullscreen-active .timer-display {
    margin: 0;
}

/* === Animations === */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Responsive Design === */
@media (max-width: 768px) {
    header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .timer-display {
        font-size: clamp(3rem, 12vw, 8rem);
    }
    
    .control-btn {
        padding: .8rem 1.5rem;
        font-size: .9rem;
    }
    
    .fullscreen-btn {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* === Mobile Optimizations === */
@supports (-webkit-touch-callout: none) {
    input[type=number],
    .custom-select,
    .control-btn,
    .mode-btn {
        -webkit-appearance: none;
        appearance: none;
    }
    
    .timer-display {
        -webkit-text-fill-color: inherit;
    }
    
    .settings-panel {
        -webkit-backdrop-filter: blur(10px);
    }
}

@media (hover: none) and (pointer: coarse) {
    * {
        -webkit-tap-highlight-color: rgba(0, 0, 0, .1);
    }
    
    .control-btn,
    .mode-btn,
    .bg-option,
    .color-option,
    .glow-color-option,
    .color-picker-btn {
        min-height: 50px;
        min-width: 50px;
    }
    
    input[type=number] {
        min-height: 50px;
    }
}