/* === General === */

:root {
    --bg: #090909;
    --surface: #111111;
    --surface-2: #181818;
    --surface-3: #272727;
    --text: #fafafa;
    --text-2: #a1a1a1;
    --text-3: #525252;
    --border: rgba(255, 255, 255, 0.1);
    --primary: #0094FF;
    --primary-faded: rgba(0, 148, 255, 0.2);
    --danger: #dc3545;
    --danger-faded: rgba(255, 127, 127, 0.2);
}

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

body {
    font-family: "Inter", sans-serif;
    background: var(--bg);
    color: var(--text);
}

.hidden {
    display: none !important;
}

/* === Gallery View === */

#gallery-list {
    margin: 40px;
}

/* Header */

.app-header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    background: #111111;
}

/* Body */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, 250px);
    gap: 40px;
    margin: 0 auto;
    max-width: 1400px;
    justify-content: center;
}

/* Empty gallery */

.empty-state {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    inset: 0;
    gap: 10px;
    pointer-events: none;
}

.empty-state .empty-title {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-3);
}

.empty-state .empty-sub {
    font-size: 18px;
    color: #353535;
}

/* Cards */

.card {
    position: relative;
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #181818;
    border: 1px solid var(--border);
    transition: 0.2s;
}

.card:hover {
    transform: scale(1.05);
}

.card-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.card-overlay {
    position: absolute;
    inset: auto 0 0;
    padding: 40px 20px 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    gap: 5px;
    opacity: 0;
    transition: 0.2s ease;
}

.card:hover .card-overlay {
    opacity: 1;
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-date {
    font-size: 12px;
    color: #888;
}

.card-delete {
    position: absolute;
    top: 10px;
    right: 10px;
    height: 32px;
    width: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border);
    color: var(--danger);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: 0.2s;
}

.card:hover .card-delete {
    opacity: 1;
}

.card-delete:hover {
    background: var(--danger-faded);
}

/* New button */

#new-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    height: 50px;
    padding: 0 30px;
    border-radius: 100px;
    background: linear-gradient(135deg, var(--primary) 0%, #B200FF 100%);
    color: white;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: box-shadow 0.2s ease, transform 0.2s ease, filter 0.2s ease;
}

#new-btn:hover {
    box-shadow: 0 0 20px var(--primary);
    filter: brightness(1.1);
    transform: scale(1.05);
}

/* Clear all button */

#clear-btn {
    background: transparent;
    color: var(--danger);
    border: 2px solid var(--danger-faded);
    border-radius: 10px;
    padding: 10px 15px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

#clear-btn:hover {
    background: rgba(255, 127, 127, 0.1);
    border-color: rgba(255, 127, 127, 0.4);
}

/* === Editor View === */

#editor-view {
    display: grid;
    grid-template-columns: 2fr 1.25fr;
    height: 100vh;
    overflow: hidden;
}

/* Canvas area */

.preview-area {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

#preview-canvas {
    display: block;
    width: min(calc(100% - 64px), calc(100dvh - 64px), 1024px);
    aspect-ratio: 1;
}

/* Right panel */

.editor-panel {
    background: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Responsive layout */

@media (max-width: 700px) {
    #editor-view {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        height: 100dvh;
        overflow: hidden;
    }

    .preview-area {
        padding: 20px;
    }

    #preview-canvas {
        width: min(calc(100% - 40px), 50dvh);
    }

    .editor-panel {
        border-left: none;
        border-top: 1px solid var(--border);
        overflow: hidden;
    }
}

.panel-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.panel-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-2);
}

#randomize-btn {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary-faded);
    border-radius: 10px;
    padding: 10px 15px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

#randomize-btn:hover {
    background: rgba(0, 148, 255, 0.1);
    border-color: rgba(0, 148, 255, 0.4);
}

.panel-controls {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.panel-footer {
    padding: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
}

/* Fields */

.control-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.field-label {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-2);
    user-select: none;
}

.input {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
    font-family: inherit;
    font-size: 16px;
    outline: none;
    width: 100%;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.input::placeholder {
    color: var(--text-3);
}

.input:focus {
    background: var(--surface-3);
}

.text-fields {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.seed-row {
    display: flex;
    gap: 10px;
}

.seed-input {
    flex: 1;
    min-width: 0;
}

#random-seed-btn {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

#random-seed-btn:hover {
    background: var(--surface-3);
}

/* Divider */

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

/* Sliders */

.slider-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.slider-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.field-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-label {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-2);
}

.slider-value {
    font-size: 16px;
    font-weight: 500;
    color: var(--primary);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #40aeff;
    cursor: pointer;
    transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: none;
    border-radius: 50%;
    background: #40aeff;
    cursor: pointer;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 3px;
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    background: var(--surface-3);
}

/* Locked elements */

.lock-btn {
    background: transparent;
    border: none;
    padding: 5px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    opacity: 0.5;
    transition: opacity 0.1s ease;
    flex-shrink: 0;
}

.lock-btn:hover,
.lock-btn.locked {
    opacity: 1;
}

.slider-field.locked .slider-label,
.slider-field.locked .slider-value {
    opacity: 0.3;
}

.slider-field.locked input[type="range"] {
    opacity: 0.3;
    pointer-events: none;
}

.control-field.locked .field-label {
    opacity: 0.3;
}

.control-field.locked .seed-input {
    opacity: 0.3;
    pointer-events: none;
}

.control-field.locked #seed-randomize-btn {
    opacity: 0.3;
    pointer-events: none;
}

/* Buttons */

#save-btn {
    flex: 2;
    background: linear-gradient(135deg, var(--primary) 0%, #B200FF 100%);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 10px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

#save-btn:hover {
    filter: brightness(1.1);
    transform: scale(1.05);
}

.default-btn {
    flex: 1;
    background: transparent;
    color: var(--text-3);
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 10px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.2s ease;
}

.default-btn:hover {
    background: var(--surface-2);
    color: var(--text);
}