/**
 * Maplay Tools - ICO to PNG Converter
 * CSS Stylesheet
 */

:root {
    --ico-primary: #00d25b;
    --ico-primary-hover: #00b84f;
    --ico-primary-light: rgba(0, 210, 91, 0.12);
    --ico-accent: #3880ff;
    --ico-accent-hover: #2970e6;
    --ico-accent-light: rgba(56, 128, 255, 0.12);
    --ico-dark-bg: #1a1c23;
    --ico-card-bg: #222634;
    --ico-card-hover: #272c3d;
    --ico-border: #32384a;
    --ico-border-focus: #3880ff;
    --ico-text-main: #f8fafc;
    --ico-text-muted: #94a3b8;
    --ico-radius: 16px;
    --ico-radius-sm: 10px;
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Hero Banner ── */
.ico-hero {
    background: linear-gradient(135deg, #0d1117 0%, #161b26 40%, #122822 100%);
    color: #ffffff;
    padding: 42px 0 36px;
    border-radius: 0 0 28px 28px;
    margin-bottom: 35px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(0, 210, 91, 0.2);
}
.ico-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 210, 91, 0.12) 0%, rgba(56, 128, 255, 0.08) 50%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}
.ico-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
    color: #ffffff;
}
.ico-hero p {
    font-size: 1.05rem;
    color: #cbd5e1;
    margin-bottom: 0;
}

/* ── Step Badges ── */
.step-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #3880ff 0%, #6366f1 100%);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(56, 128, 255, 0.3);
}
.step-badge.step-2 {
    background: linear-gradient(135deg, #00d25b 0%, #059669 100%);
    box-shadow: 0 2px 8px rgba(0, 210, 91, 0.3);
}
.step-badge.step-3 {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

/* ── Container & Cards ── */
.ico-card {
    background: var(--ico-card-bg);
    border: 1px solid var(--ico-border);
    border-radius: var(--ico-radius);
    padding: 24px;
    color: var(--ico-text-main);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transition: var(--transition-fast);
    margin-bottom: 24px;
}
.ico-card:hover {
    border-color: rgba(56, 128, 255, 0.4);
}
.ico-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.ico-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    color: #ffffff;
}

/* ── Step 1: Size Selector Chips ── */
.size-chips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
    margin-bottom: 18px;
}
.size-chip {
    background: #1a1c23;
    border: 1.5px solid var(--ico-border);
    color: #cbd5e1;
    border-radius: var(--ico-radius-sm);
    padding: 12px 10px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    user-select: none;
}
.size-chip:hover {
    background: var(--ico-card-hover);
    border-color: var(--ico-accent);
    color: #ffffff;
    transform: translateY(-2px);
}
.size-chip.active {
    background: rgba(56, 128, 255, 0.15);
    border-color: var(--ico-accent);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(56, 128, 255, 0.35);
}
.size-chip.active::after {
    content: '✓';
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 11px;
    color: var(--ico-primary);
    font-weight: 900;
}
.size-chip .chip-dim {
    font-size: 1.05rem;
    font-weight: 700;
    display: block;
    margin-bottom: 2px;
}
.size-chip .chip-label {
    font-size: 0.72rem;
    color: var(--ico-text-muted);
    display: block;
}
.size-chip.active .chip-label {
    color: #93c5fd;
}

/* Custom Size Inputs */
.custom-size-box {
    background: #1a1c23;
    border: 1px dashed var(--ico-border);
    border-radius: var(--ico-radius-sm);
    padding: 14px 18px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}
.custom-size-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}
.custom-size-input-group label {
    font-size: 0.85rem;
    color: var(--ico-text-muted);
    font-weight: 600;
    margin: 0;
}
.custom-input {
    width: 86px;
    background: #272c3d;
    border: 1px solid var(--ico-border);
    color: #ffffff;
    border-radius: 8px;
    padding: 7px 10px;
    font-size: 0.95rem;
    font-weight: bold;
    text-align: center;
    transition: var(--transition-fast);
}
.custom-input:focus {
    border-color: var(--ico-accent);
    outline: none;
    box-shadow: 0 0 8px rgba(56, 128, 255, 0.4);
}
.aspect-lock-btn {
    background: transparent;
    border: 1px solid var(--ico-border);
    color: var(--ico-text-muted);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 0.82rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.aspect-lock-btn.locked {
    background: rgba(56, 128, 255, 0.15);
    border-color: var(--ico-accent);
    color: #60a5fa;
}

/* ── Step 2: Drop Box ── */
.drop-box {
    border: 2px dashed #3880ff;
    padding: 45px 25px;
    border-radius: var(--ico-radius);
    text-align: center;
    background: #1a1c23;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    user-select: none;
}
.drop-box:hover {
    border-color: var(--ico-primary);
    background: #202430;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.drop-box.drag-over {
    border-color: var(--ico-primary) !important;
    background: rgba(0, 210, 91, 0.08) !important;
    box-shadow: 0 0 25px rgba(0, 210, 91, 0.35);
    transform: scale(1.01);
}
.drop-box-icon {
    font-size: 3.2rem;
    color: #3880ff;
    margin-bottom: 12px;
    display: inline-block;
    transition: var(--transition-fast);
}
.drop-box:hover .drop-box-icon {
    color: var(--ico-primary);
    transform: scale(1.1);
}
.drop-box-title {
    font-size: 1.25rem;
    margin: 0 0 6px 0;
    font-weight: 700;
    color: #ffffff;
}
.drop-box-subtitle {
    font-size: 0.88rem;
    color: #8a92a6;
    margin: 0 0 14px 0;
}
.drop-box-badges {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.drop-badge {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #94a3b8;
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 12px;
}

/* Controls under drop box */
.drop-options-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 14px;
    padding: 10px 14px;
    background: #1a1c23;
    border-radius: var(--ico-radius-sm);
    border: 1px solid var(--ico-border);
    font-size: 0.85rem;
}
.form-check-input:checked {
    background-color: var(--ico-primary);
    border-color: var(--ico-primary);
}

/* ── Step 3: Result Preview & Actions ── */
.result-card {
    display: none;
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.preview-stage {
    background: #161821;
    border: 1px solid var(--ico-border);
    border-radius: var(--ico-radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    position: relative;
    overflow: hidden;
}

/* Checkerboard transparent pattern */
.checkerboard-wrap {
    padding: 18px;
    border-radius: 14px;
    background-color: #202430;
    background-image: 
        linear-gradient(45deg, #181b25 25%, transparent 25%), 
        linear-gradient(-45deg, #181b25 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #181b25 75%), 
        linear-gradient(-45deg, transparent 75%, #181b25 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    max-height: 340px;
    overflow: auto;
    transition: var(--transition-fast);
}
.checkerboard-wrap.bg-dark-solid {
    background: #0f1117 !important;
}
.checkerboard-wrap.bg-white-solid {
    background: #ffffff !important;
}

#previewImg {
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    transition: transform 0.2s ease;
    max-width: 100%;
    height: auto;
    display: block;
}

/* Preview Toolbar */
.preview-toolbar {
    display: flex;
    gap: 8px;
    margin-top: 14px;
    flex-wrap: wrap;
    justify-content: center;
}
.tool-btn {
    background: #222634;
    border: 1px solid var(--ico-border);
    color: #cbd5e1;
    font-size: 0.78rem;
    padding: 5px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}
.tool-btn:hover {
    background: #2c3245;
    color: #ffffff;
}
.tool-btn.active {
    background: var(--ico-accent);
    color: #ffffff;
    border-color: var(--ico-accent);
}

/* Result Info Panel */
.result-meta-table {
    width: 100%;
    margin-bottom: 20px;
}
.result-meta-table td {
    padding: 8px 12px;
    font-size: 0.88rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.result-meta-table td:first-child {
    color: var(--ico-text-muted);
    width: 110px;
}
.result-meta-table td:last-child {
    color: #ffffff;
    font-weight: 600;
}

/* Embedded Frames List */
.frames-container {
    background: #1a1c23;
    border-radius: var(--ico-radius-sm);
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid var(--ico-border);
}
.frames-title {
    font-size: 0.82rem;
    color: #94a3b8;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.frame-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.frame-chip {
    background: #272c3d;
    border: 1px solid var(--ico-border);
    color: #cbd5e1;
    font-size: 0.75rem;
    padding: 4px 9px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.frame-chip:hover {
    background: #32384a;
    color: #ffffff;
    border-color: var(--ico-primary);
}
.frame-chip.active {
    background: var(--ico-primary-light);
    border-color: var(--ico-primary);
    color: var(--ico-primary);
    font-weight: bold;
}

/* Action Buttons */
.btn-ico {
    padding: 12px 24px;
    font-size: 0.95rem;
    border-radius: 10px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}
.btn-ico-primary {
    background: var(--ico-primary);
    color: #000000;
}
.btn-ico-primary:hover {
    background: var(--ico-primary-hover);
    color: #000000;
    box-shadow: 0 4px 18px rgba(0, 210, 91, 0.4);
    transform: translateY(-2px);
}
.btn-ico-secondary {
    background: #2c3245;
    border: 1px solid var(--ico-border);
    color: #ffffff;
}
.btn-ico-secondary:hover {
    background: #373f57;
    color: #ffffff;
    border-color: #4a5578;
}
.btn-ico-accent {
    background: var(--ico-accent);
    color: #ffffff;
}
.btn-ico-accent:hover {
    background: var(--ico-accent-hover);
    color: #ffffff;
    box-shadow: 0 4px 18px rgba(56, 128, 255, 0.4);
    transform: translateY(-2px);
}

/* ── Features & FAQ section ── */
.info-section {
    margin-top: 45px;
    padding-top: 35px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.feature-box {
    background: #1e222f;
    border: 1px solid var(--ico-border);
    border-radius: var(--ico-radius);
    padding: 22px;
    height: 100%;
    color: var(--ico-text-main);
    transition: var(--transition-fast);
}
.feature-box:hover {
    border-color: rgba(56, 128, 255, 0.3);
    transform: translateY(-3px);
}
.feature-icon {
    font-size: 1.8rem;
    color: var(--ico-primary);
    margin-bottom: 12px;
}
.feature-box h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #ffffff;
}
.feature-box p {
    font-size: 0.88rem;
    color: var(--ico-text-muted);
    margin: 0;
    line-height: 1.55;
}

/* Toast Alert */
.ico-toast {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: #0f172a;
    border: 1px solid var(--ico-primary);
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    gap: 10px;
    z-index: 9999;
    font-size: 0.9rem;
    font-weight: 600;
    animation: toastSlideUp 0.3s ease;
}
@keyframes toastSlideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .ico-hero {
        padding: 30px 0 25px;
    }
    .ico-hero h1 {
        font-size: 1.7rem;
    }
    .size-chips-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .custom-size-box {
        flex-direction: column;
        align-items: stretch;
    }
    .drop-box {
        padding: 35px 15px;
    }
}