/* ==========================================================================
   studio.css - App Design Studio Styles (Shared & Premium)
   ========================================================================== */

/* --------------------------------------------------------------------------
   A) Landing Page Styles
   -------------------------------------------------------------------------- */

.tool-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 50px;
}

@media (max-width: 768px) {
    .tool-cards-grid {
        grid-template-columns: 1fr;
    }
}

.tool-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 32px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-main);
    transition: transform 0.4s var(--easing-apple), box-shadow 0.4s var(--easing-apple), border-color 0.4s var(--easing-apple);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.tool-card:hover {
    transform: scale(1.02) translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 113, 227, 0.08);
    border-color: var(--accent-color);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s var(--easing-apple);
    pointer-events: none;
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-card-icon {
    font-size: 48px;
    line-height: 1;
    filter: drop-shadow(0 8px 16px rgba(0,0,0,0.1));
    transition: transform 0.4s var(--easing-apple);
}

.tool-card:hover .tool-card-icon {
    transform: scale(1.1) rotate(2deg);
}

.tool-card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.tool-card-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.coming-soon {
    opacity: 0.6;
    pointer-events: auto;
    filter: grayscale(0.5);
}

.coming-soon:hover {
    transform: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    border-color: var(--border-color);
    opacity: 0.8;
}

.badge-coming-soon {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--text-main);
    color: var(--bg-color);
    font-size: 11px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 60px;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-item {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 28px 24px;
    text-align: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: transform 0.4s var(--easing-apple), border-color 0.4s var(--easing-apple), box-shadow 0.4s var(--easing-apple);
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.feature-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    box-shadow: 0 12px 24px rgba(0, 113, 227, 0.06);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

/* --------------------------------------------------------------------------
   B) Shared Editor Styles
   -------------------------------------------------------------------------- */

.editor-container {
    display: flex;
    height: calc(100vh - 48px);
    width: 100%;
    overflow: hidden;
    background-color: var(--bg-color);
}

.studio-layout {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 0;
    height: 100%;
    width: 100%;
}

@media (max-width: 1024px) {
    .studio-layout, .editor-container {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }
}

.studio-panel, .panel {
    width: 320px;
    min-width: 320px;
    background-color: var(--panel-bg);
    border-right: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 4px 24px rgba(0,0,0,0.02);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.panel-header {
    padding: 18px 24px;
    font-size: 15px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 5;
    letter-spacing: -0.2px;
}

.panel-content, .panel-section {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.panel-section {
    border-bottom: 1px solid var(--border-color);
    margin: 0;
}

.panel-section:last-child {
    border-bottom: none;
}

.panel-title, .panel-section h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-main);
    letter-spacing: -0.2px;
}

.studio-canvas-wrapper, .canvas-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    position: relative;
    overflow: auto;
}

/* Checkerboard Background for transparent canvas visualization */
.checkerboard {
    background-image: 
        linear-gradient(45deg, rgba(0,0,0,0.05) 25%, transparent 25%), 
        linear-gradient(135deg, rgba(0,0,0,0.05) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.05) 75%),
        linear-gradient(135deg, transparent 75%, rgba(0,0,0,0.05) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 0, 10px -10px, 0px 10px;
}

[data-theme="dark"] .checkerboard {
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%), 
        linear-gradient(135deg, rgba(255,255,255,0.05) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.05) 75%),
        linear-gradient(135deg, transparent 75%, rgba(255,255,255,0.05) 75%);
}

#canvas-wrapper {
    position: relative;
    box-shadow: 0 24px 48px rgba(0,0,0,0.15);
    transition: transform 0.3s var(--easing-apple);
    border-radius: 4px;
}

/* Inputs & Controls */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.control-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

select, input[type="text"], input[type="number"], button {
    font-family: var(--font-family);
    font-size: 14px;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-main);
    transition: all 0.3s var(--easing-apple);
    outline: none;
    appearance: none;
}

select {
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0l5 5 5-5z' fill='%2386868b'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

select:focus, input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.2);
}

.tool-btn, button {
    cursor: pointer;
    background-color: var(--panel-bg);
    font-weight: 500;
    text-align: center;
}

.tool-btn:hover, button:hover {
    background-color: var(--bg-color);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
}

button.primary, .btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
    font-weight: 600;
    padding: 14px 20px;
}

button.primary:hover, .btn-primary:hover {
    background-color: #005bb5;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 113, 227, 0.3);
}

[data-theme="dark"] button.primary:hover, [data-theme="dark"] .btn-primary:hover {
    background-color: #4da6ff;
}

.canvas-toolbar {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--panel-bg);
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    gap: 16px;
    z-index: 20;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    padding: 8px;
    border-radius: 50%;
    opacity: 0.7;
    transition: all 0.3s var(--easing-apple);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    opacity: 1;
    transform: scale(1.15);
    background-color: var(--bg-color);
}

.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

input[type="color"] {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2px;
    cursor: pointer;
    background: var(--panel-bg);
    transition: transform 0.2s var(--easing-apple);
}

input[type="color"]:hover {
    transform: scale(1.05);
}

input[type="range"] {
    width: 100%;
    margin: 12px 0;
    accent-color: var(--accent-color);
}

.slider-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.swatch-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.color-swatch {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.3s var(--easing-apple), box-shadow 0.3s var(--easing-apple);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.color-swatch:hover {
    transform: scale(1.15);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

/* Checkboxes */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    cursor: pointer;
    color: var(--text-main);
    transition: opacity 0.2s;
}

.checkbox-label:hover {
    opacity: 0.8;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
}

.badge {
    background-color: var(--accent-color);
    color: white;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 6px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.export-section {
    margin-top: auto;
}

.progress-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 12px;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.3s var(--easing-apple);
}

#exportProgress {
    display: none;
    font-size: 13px;
    color: var(--accent-color);
    margin-top: 12px;
    text-align: center;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   C) Icon Generator Specific
   -------------------------------------------------------------------------- */

.preview-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

.preview-item {
    text-align: center;
    transition: transform 0.3s var(--easing-apple);
}

.preview-item:hover {
    transform: translateY(-2px);
}

.preview-canvas-wrapper {
    background: transparent;
    display: inline-block;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.preview-item canvas {
    display: block;
}

.preview-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 8px;
}

.mask-ios { border-radius: 22.5%; overflow: hidden; } 
.mask-macos { border-radius: 22.5%; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.2); } 
.mask-watchos { border-radius: 50%; overflow: hidden; }

/* --------------------------------------------------------------------------
   D) Screenshot Editor Specific
   -------------------------------------------------------------------------- */

.device-selector {
    width: 100%;
}

.bg-presets, .gradient-presets {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.bg-preset, .gradient-preset {
    height: 48px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.3s var(--easing-apple), box-shadow 0.3s var(--easing-apple);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.bg-preset:hover, .gradient-preset:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.layer-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.layer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s var(--easing-apple);
    font-size: 14px;
    font-weight: 500;
}

.layer-item:hover {
    border-color: var(--text-secondary);
    transform: translateX(4px);
}

.layer-item.active {
    border-color: var(--accent-color);
    background: rgba(0, 113, 227, 0.05);
}

.device-frame-preview {
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}

.upload-btn-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.upload-btn-wrapper button {
    width: 100%;
}

.upload-btn-wrapper input[type=file] {
    font-size: 100px;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
}