/* Color Blindness Simulator — style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #0a1815;
    --bg2: #0e2019;
    --bg3: #142b23;
    --border: rgba(20, 184, 166, 0.15);
    --border2: rgba(255, 255, 255, 0.05);
    --text: #e8faf7;
    --text2: #7ecabd;
    --text3: #2f6b5f;
    --primary: #14B8A6;
    --primary2: #5EEAD4;
    --accent: #CCFBF1;
    --radius: 12px;
    --t: all 0.2s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.bg-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse 50% 35% at 15% 5%, rgba(20, 184, 166, 0.09), transparent), radial-gradient(ellipse 40% 25% at 85% 85%, rgba(94, 234, 212, 0.06), transparent);
    z-index: 0;
}

/* Header */
header {
    background: rgba(10, 24, 21, 0.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.hdr {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

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

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 0 18px rgba(20, 184, 166, 0.35);
}

.brand-title {
    font-size: 15px;
    font-weight: 700;
}

h1.brand-title {
    display: inline;
}

.brand-sub {
    font-size: 10px;
    color: var(--text3);
}

/* View toggle */
.view-toggle {
    display: flex;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.view-btn {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    background: none;
    border: none;
    color: var(--text2);
    cursor: pointer;
    transition: var(--t);
}

.view-btn.active {
    background: var(--primary);
    color: #000;
}

/* Main */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}

/* Upload zone */
.upload-row {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    background: var(--bg2);
    cursor: pointer;
    transition: var(--t);
    overflow: hidden;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(20, 184, 166, 0.06);
}

.upload-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 32px;
    text-align: center;
}

.upload-icon {
    font-size: 36px;
}

.upload-title {
    font-size: 14px;
    font-weight: 600;
}

.upload-sub {
    font-size: 12px;
    color: var(--text3);
}

.url-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.inp {
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: 8px;
    color: var(--text);
    padding: 7px 12px;
    font-size: 12px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: var(--t);
    flex: 1;
}

.inp:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.12);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 7px 13px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg3);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
}

.btn:hover {
    border-color: var(--primary);
    color: var(--primary2);
}

.btn-sm {
    padding: 4px 9px;
    font-size: 11px;
    border-radius: 6px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #0d9488);
    border: none;
    color: #000;
    font-weight: 700;
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-export {
    padding: 3px 8px;
    font-size: 10px;
}

/* Compare view */
.view-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.compare-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sim-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.original-card {
    border-color: rgba(20, 184, 166, 0.4);
}

.sim-header {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border2);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sim-type {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary2);
    flex: 1;
}

.sim-pct {
    font-size: 10px;
    color: var(--text3);
}

.sim-canvas {
    width: 100%;
    display: block;
    max-height: 400px;
    object-fit: contain;
    background: #000;
}

/* Type selector */
.type-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.type-chip {
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg2);
    color: var(--text2);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
}

.type-chip:hover,
.type-chip.active {
    border-color: var(--primary);
    color: var(--primary2);
    background: rgba(20, 184, 166, 0.1);
}

.type-chip.active {
    font-weight: 700;
}

/* Score card */
.score-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
}

.score-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text2);
    margin-bottom: 10px;
}

.score-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.score-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.score-name {
    font-size: 10px;
    color: var(--text3);
}

.score-bar-wrap {
    height: 6px;
    background: var(--bg3);
    border-radius: 3px;
    overflow: hidden;
}

.score-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s ease;
}

.score-val {
    font-size: 10px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

/* Sim grid */
.sim-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.grid-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.grid-header {
    padding: 6px 10px;
    border-bottom: 1px solid var(--border2);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.grid-type {
    font-size: 10px;
    font-weight: 700;
    color: var(--primary2);
}

.grid-canvas {
    width: 100%;
    display: block;
    aspect-ratio: 1;
    object-fit: cover;
    background: #000;
}

/* Empty state */
.empty-state-full {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px;
    text-align: center;
    color: var(--text);
}

/* Toast */
.toast-wrap {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: none;
}

.toast {
    background: var(--bg2);
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 12px;
    color: var(--text);
    transform: translateX(20px);
    opacity: 0;
    transition: all 0.22s ease;
    pointer-events: all;
}

.toast.show {
    transform: none;
    opacity: 1;
}

::-webkit-scrollbar {
    width: 5px
}

::-webkit-scrollbar-track {
    background: transparent
}

::-webkit-scrollbar-thumb {
    background: rgba(20, 184, 166, 0.2);
    border-radius: 3px
}

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

    .sim-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .score-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}