*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --clr-bg: #f4f6f8;
    --clr-dots: #d0d0d0;
    --clr-ink: #111111;
    --clr-paper: #ffffff;
    --clr-yellow: #ffde00;
    --clr-green: #33ff99;
    --clr-purple: #7d5fff;
    --clr-red: #ff0050;
    --clr-blue: #00d4ff;
    --border-width: 4px;
    --transition: 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --font-header: 'Bangers', cursive;
    --font-body: 'Comic Neue', cursive, sans-serif;
}

body {
    min-height: 100vh;
    background-color: var(--clr-bg);
    background-image: radial-gradient(var(--clr-dots) 10%, transparent 11%), radial-gradient(var(--clr-dots) 10%, transparent 11%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    color: var(--clr-ink);
    font-family: var(--font-body);
    padding: 20px;
    overflow-x: hidden;
}

#page-loader {
    position: fixed;
    inset: 0;
    background-color: var(--clr-bg);
    background-image: radial-gradient(var(--clr-dots) 10%, transparent 11%), radial-gradient(var(--clr-dots) 10%, transparent 11%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.3s ease, visibility 0.3s;
}

#page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid var(--clr-ink);
    border-top-color: var(--clr-purple);
    border-right-color: var(--clr-green);
    border-bottom-color: var(--clr-yellow);
    border-left-color: var(--clr-red);
    border-radius: 50%;
    animation: spinBrutal 1s linear infinite;
    box-shadow: 4px 4px 0 var(--clr-ink);
}

.loader-spinner.large {
    width: 80px;
    height: 80px;
    border-width: 8px;
    box-shadow: 6px 6px 0 var(--clr-ink);
}

@keyframes spinBrutal {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.lobby-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 50px 20px;
}

.lobby-card {
    width: 100%;
    max-width: 520px;
    background: var(--clr-paper);
    border: var(--border-width) solid var(--clr-ink);
    box-shadow: 10px 10px 0 var(--clr-ink);
    padding: 40px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: 26px;
    position: relative;
    transform: rotate(-0.5deg);
}

.back-btn-header {
    background: var(--clr-yellow);
    border: 3px solid var(--clr-ink);
    box-shadow: 4px 4px 0 var(--clr-ink);
    padding: 8px 20px;
    font-family: var(--font-header);
    font-size: 1.15rem;
    color: var(--clr-ink);
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    display: inline-flex;
    align-items: center;
}

.back-btn-header:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--clr-ink);
}

.back-btn-header:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--clr-ink);
}

.lobby-head {
    text-align: center;
    padding-bottom: 22px;
    border-bottom: var(--border-width) solid var(--clr-ink);
}

.lobby-title {
    font-family: var(--font-header);
    font-size: clamp(3.5rem, 12vw, 4.5rem);
    color: var(--clr-purple);
    letter-spacing: 4px;
    line-height: 1;
    text-shadow:
        2px 2px 0 var(--clr-ink),
        -2px -2px 0 var(--clr-ink),
        2px -2px 0 var(--clr-ink),
        -2px 2px 0 var(--clr-ink),
        6px 6px 0 var(--clr-ink);
    margin-bottom: 10px;
}

.lobby-sub {
    font-weight: 800;
    font-size: 0.95rem;
    opacity: 0.75;
}

.error-msg {
    background: var(--clr-red);
    color: #fff;
    padding: 12px 14px;
    border: 3px solid var(--clr-ink);
    box-shadow: 4px 4px 0 var(--clr-ink);
    font-weight: 800;
    font-size: 0.95rem;
}

.drop-zone {
    border: 4px dashed var(--clr-ink);
    background: var(--clr-bg);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: background 0.2s ease, transform var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.drop-zone:hover, .drop-zone.dragover {
    background: #e8eaf0;
    transform: scale(0.98);
}

.drop-icon-wrapper {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-purple);
    margin-bottom: 5px;
}

.scissors-svg {
    width: 100%;
    height: 100%;
    transform: rotate(90deg);
}

.drop-main-text {
    font-family: var(--font-header);
    font-size: 1.6rem;
    letter-spacing: 1px;
}

.drop-sub-text {
    font-weight: 700;
    font-size: 0.95rem;
    opacity: 0.6;
}

.privacy-note {
    font-size: 0.85rem;
    font-weight: 700;
    background: #e8eaf0;
    border: 2px solid var(--clr-ink);
    padding: 10px 14px;
    text-align: center;
}

.loading-card {
    text-align: center;
    align-items: center;
    gap: 20px;
    transform: rotate(0.5deg);
}

.loading-title {
    font-family: var(--font-header);
    font-size: 2.5rem;
    color: var(--clr-purple);
    letter-spacing: 2px;
}

.progress-bar-container {
    width: 100%;
    height: 24px;
    background: var(--clr-bg);
    border: 3px solid var(--clr-ink);
    box-shadow: 4px 4px 0 var(--clr-ink);
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    width: 0%;
    height: 100%;
    background: var(--clr-green);
    border-right: 3px solid var(--clr-ink);
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.progress-percent {
    font-family: var(--font-header);
    font-size: 1.8rem;
}

.loading-sub-tip {
    font-size: 0.85rem;
    font-weight: 800;
    opacity: 0.6;
}

.editor-wrap {
    max-width: 1100px;
    margin: 40px auto;
    width: 100%;
    position: relative;
    padding-top: 20px;
}

.editor-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
    margin-top: 20px;
}

.canvas-panel {
    display: flex;
    flex-direction: column;
}

.canvas-container {
    background-color: #ffffff;
    background-image: linear-gradient(45deg, #e0e0e0 25%, transparent 25%), linear-gradient(-45deg, #e0e0e0 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e0e0e0 75%), linear-gradient(-45deg, transparent 75%, #e0e0e0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    border: 4px solid var(--clr-ink);
    box-shadow: 10px 10px 0 var(--clr-ink);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    min-height: 480px;
    position: relative;
    padding: 15px;
}

.canvas-container canvas {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border: 3px solid var(--clr-ink);
    box-shadow: 6px 6px 0 var(--clr-ink);
}

.reset-view-btn {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: var(--clr-paper);
    color: var(--clr-ink);
    border: 3px solid var(--clr-ink);
    box-shadow: 3px 3px 0 var(--clr-ink);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.1s ease;
    z-index: 10;
}

.reset-view-btn:hover {
    background: var(--clr-yellow);
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--clr-ink);
}

.reset-view-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 var(--clr-ink);
}

.controls-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.controls-card, .actions-card {
    background: var(--clr-paper);
    border: 3px solid var(--clr-ink);
    box-shadow: 6px 6px 0 var(--clr-ink);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.actions-card {
    gap: 12px;
}

.panel-section-title {
    font-family: var(--font-header);
    font-size: 1.6rem;
    letter-spacing: 1px;
    border-bottom: 3px solid var(--clr-ink);
    padding-bottom: 8px;
    margin-bottom: 4px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-label {
    font-family: var(--font-header);
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.value-tag {
    font-family: var(--font-body);
    font-weight: 800;
    font-size: 0.95rem;
    background: var(--clr-bg);
    border: 2px solid var(--clr-ink);
    padding: 2px 8px;
}

.brutal-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 12px;
    background: var(--clr-bg);
    border: 3px solid var(--clr-ink);
    outline: none;
    box-shadow: 3px 3px 0 var(--clr-ink);
}

.brutal-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--clr-yellow);
    border: 3px solid var(--clr-ink);
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--clr-ink);
    transition: transform 0.1s;
}

.brutal-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.brutal-select {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-ink);
    background: var(--clr-paper);
    border: 3px solid var(--clr-ink);
    border-radius: 0;
    box-shadow: 3px 3px 0 var(--clr-ink);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23111' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.color-grid {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.color-btn, .bg-color-btn {
    width: 32px;
    height: 32px;
    border: 3px solid var(--clr-ink);
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--clr-ink);
    transition: transform var(--transition), box-shadow var(--transition);
}

.color-btn:hover, .bg-color-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--clr-ink);
}

.color-btn:active, .bg-color-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 var(--clr-ink);
}

.color-btn.active, .bg-color-btn.active {
    outline: 3px dashed var(--clr-ink);
    outline-offset: 2px;
    box-shadow: 1px 1px 0 var(--clr-ink);
    transform: translate(1px, 1px);
}

.btn-action {
    width: 100%;
    padding: 14px;
    font-family: var(--font-header);
    font-size: 1.4rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: 3px solid var(--clr-ink);
    transition: transform var(--transition), box-shadow var(--transition);
}

.btn-action.primary {
    background: var(--clr-green);
    box-shadow: 6px 6px 0 var(--clr-ink);
}

.btn-action.primary:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--clr-ink);
}

.btn-action.primary:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--clr-ink);
}

.btn-action.secondary {
    background: var(--clr-bg);
    box-shadow: 4px 4px 0 var(--clr-ink);
    font-size: 1.15rem;
}

.btn-action.secondary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--clr-ink);
}

.btn-action.secondary:active {
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0 var(--clr-ink);
}

/* --- Editor Top Header --- */
.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
    border-bottom: var(--border-width) solid var(--clr-ink);
    padding-bottom: 16px;
}

.editor-header-title {
    font-family: var(--font-header);
    font-size: clamp(1.8rem, 6vw, 2.8rem);
    color: var(--clr-purple);
    letter-spacing: 2px;
    text-shadow: 2px 2px 0 var(--clr-ink);
}

.header-left-actions, .header-right-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.back-link {
    position: absolute;
    top: -20px;
    left: 22px;
    background: var(--clr-yellow);
    border: 3px solid var(--clr-ink);
    box-shadow: 4px 4px 0 var(--clr-ink);
    padding: 5px 16px;
    font-family: var(--font-header);
    font-size: 1.15rem;
    color: var(--clr-ink);
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    z-index: 10;
}

.back-link:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--clr-ink);
}

.back-link:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--clr-ink);
}

/* --- Cohesive Tabbed Controller Card --- */
.tabbed-card {
    background: var(--clr-paper);
    border: 3px solid var(--clr-ink);
    box-shadow: 6px 6px 0 var(--clr-ink);
    display: flex;
    flex-direction: column;
}

.tab-headers {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 3px solid var(--clr-ink);
}

.tab-btn {
    background: var(--clr-bg);
    border: none;
    border-right: 3px solid var(--clr-ink);
    padding: 14px 6px;
    font-family: var(--font-header);
    font-size: clamp(0.8rem, 3.5vw, 1.1rem);
    letter-spacing: 0.5px;
    cursor: pointer;
    color: var(--clr-ink);
    transition: background 0.1s ease, color 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.tab-btn:last-child {
    border-right: none;
}

.tab-btn:hover {
    background: #e8eaf0;
}

.tab-btn.active {
    background: var(--clr-yellow);
    font-weight: bold;
}

.tab-content {
    padding: 24px;
    display: none;
    flex-direction: column;
    gap: 20px;
}

.tab-content.active {
    display: flex;
}

/* --- Manual Brush styling --- */
.brush-mode-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.brush-mode-grid .btn-action {
    font-size: 1rem;
    padding: 10px;
    box-shadow: 2px 2px 0 var(--clr-ink);
}

.brush-mode-grid .btn-action:active,
.brush-mode-grid .btn-action.active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 var(--clr-ink);
    background: var(--clr-yellow);
}

.reset-brush-btn {
    font-size: 0.95rem;
    padding: 10px;
    background-color: var(--clr-red) !important;
    color: white !important;
    box-shadow: 2px 2px 0 var(--clr-ink) !important;
}

.reset-brush-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 var(--clr-ink) !important;
}

/* --- Comprehensive Mobile Responsiveness --- */
@media (max-width: 850px) {
    body {
        padding: 10px;
    }
    
    .editor-wrap {
        margin: 10px auto;
        padding-top: 10px;
    }
    
    .editor-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .canvas-container {
        min-height: 280px;
        padding: 8px;
        box-shadow: 6px 6px 0 var(--clr-ink);
    }
    
    .tabbed-card {
        box-shadow: 4px 4px 0 var(--clr-ink);
    }
    
    .tab-btn {
        font-size: 0.85rem;
        padding: 12px 2px;
        gap: 2px;
    }
    
    .tab-content {
        padding: 16px;
        gap: 16px;
    }
    
    .editor-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        text-align: center;
        margin-bottom: 16px;
        padding-bottom: 12px;
    }
    
    .editor-header-title {
        order: -1;
        font-size: 1.8rem;
        margin: 0 auto;
    }
    
    .header-left-actions {
        justify-content: space-between;
        width: 100%;
    }
    
    .header-left-actions .back-btn-header {
        flex: 1;
        text-align: center;
        justify-content: center;
        font-size: 0.95rem;
        padding: 6px 12px;
        box-shadow: 2px 2px 0 var(--clr-ink);
    }
    
    .header-right-actions {
        width: 100%;
    }
    
    .header-right-actions .btn-action {
        width: 100% !important;
        text-align: center;
        justify-content: center;
        font-size: 1.1rem;
        padding: 10px;
        box-shadow: 3px 3px 0 var(--clr-ink) !important;
    }
}

/* Custom color picker swatch button styles */
.custom-color-btn {
    padding: 0 !important;
    display: inline-block !important;
    position: relative !important;
    overflow: hidden !important;
    cursor: pointer !important;
    vertical-align: middle;
}
.custom-color-swatch {
    display: block;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    /* Fancy rainbow gradient background pattern so users know it is a color picker */
    background-image: conic-gradient(
        from 180deg at 50% 50%,
        #ff0000 0deg,
        #ff9900 60deg,
        #ffcc00 120deg,
        #33cc33 180deg,
        #3399ff 240deg,
        #cc33ff 300deg,
        #ff0000 360deg
    );
}

/* Neobrutalist Color Picker popover styles matching sketch */
.color-picker-sheet {
    position: absolute;
    z-index: 2000;
    width: 184px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.24s ease;
}

.color-picker-sheet.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.color-picker-sheet-inner {
    background: var(--clr-paper);
    border: 3px solid var(--clr-ink);
    box-shadow: 6px 6px 0 var(--clr-ink);
    padding: 12px;
}

.color-picker-sheet-title {
    margin-bottom: 8px;
    font-family: var(--font-header);
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-align: center;
    border-bottom: 2px solid var(--clr-ink);
    padding-bottom: 4px;
}

#color-picker-widget {
    width: 150px;
    height: 150px;
    margin: 0 auto;
}
.iro-color-picker {
    margin: 0 auto;
}