:root {
--bg-primary: #0a0a0b;
--bg-secondary: #141416;
--bg-tertiary: #1c1c1f;
--border-color: #2a2a2e;
--text-primary: #f4f4f5;
--text-secondary: #a1a1aa;
--accent: #6366f1;
--color-1: #51fc95;
--color-2: #68f4eb;
--color-3: #5283fd;
}

:root.light {
--bg-primary: #fafafa;
--bg-secondary: #ffffff;
--bg-tertiary: #f4f4f5;
--border-color: #e4e4e7;
--text-primary: #18181b;
--text-secondary: #71717a;
--accent: #4f46e5;
}

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

body {
font-family: "DM Sans", system-ui, sans-serif;
background: var(--bg-primary);
color: var(--text-primary);
min-height: 100vh;
overflow-x: hidden;
}

/* Animated background gradient */
.bg-gradient {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: -1;
opacity: 0.15;
transition:
background 0.8s cubic-bezier(0.4, 0, 0.2, 1),
opacity 0.3s ease;
background: linear-gradient(
135deg,
var(--color-1) 0%,
var(--color-2) 50%,
var(--color-3) 100%
);
}

:root.light .bg-gradient {
opacity: 0.08;
}

.bg-gradient::before {
content: "";
position: absolute;
inset: 0;
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
opacity: 0.3;
mix-blend-mode: overlay;
}

.container {
max-width: 1400px;
margin: 0 auto;
padding: 2rem;
}

/* Header */
header {
position: relative;
text-align: center;
padding: 3rem 0 4rem;
animation: fadeSlideDown 0.8s ease-out;
}

.theme-toggle {
position: absolute;
top: 0;
right: 0;
width: 48px;
height: 48px;
border: 1px solid var(--border-color);
border-radius: 12px;
background: var(--bg-secondary);
color: var(--text-primary);
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.2s ease;
}

.theme-toggle:hover {
background: var(--bg-tertiary);
transform: translateY(-2px);
box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.theme-toggle svg {
width: 22px;
height: 22px;
transition: transform 0.3s ease;
}

.theme-toggle .moon-icon {
display: block;
}

.theme-toggle .sun-icon {
display: none;
}

:root.light .theme-toggle .moon-icon {
display: none;
}

:root.light .theme-toggle .sun-icon {
display: block;
}

h1 {
font-family: "Space Grotesk", sans-serif;
font-size: clamp(2.5rem, 6vw, 4rem);
font-weight: 700;
letter-spacing: -0.03em;
background: linear-gradient(
135deg,
var(--color-1) 0%,
var(--color-2) 50%,
var(--color-3) 100%
);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
margin-bottom: 0.5rem;
transition: background 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.tagline {
color: var(--text-secondary);
font-size: 1.1rem;
font-weight: 400;
}

/* Main layout */
main {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 3rem;
align-items: start;
}

@media (max-width: 900px) {
main {
grid-template-columns: 1fr;
}
}

/* Controls panel */
.controls {
background: var(--bg-secondary);
border: 1px solid var(--border-color);
border-radius: 24px;
padding: 2rem;
animation: fadeSlideUp 0.8s ease-out 0.1s backwards;
}

.section-title {
font-family: "Space Grotesk", sans-serif;
font-size: 0.85rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.1em;
color: var(--text-secondary);
margin-bottom: 1.25rem;
display: flex;
align-items: center;
gap: 0.5rem;
}

.section-title::before {
content: "";
width: 8px;
height: 8px;
background: var(--accent);
border-radius: 50%;
}

/* Emoji picker container */
.emoji-section {
margin-bottom: 2.5rem;
}

.emoji-display {
display: flex;
align-items: center;
gap: 1rem;
padding: 1rem;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
border-radius: 12px;
margin-bottom: 1rem;
transition:
transform 0.2s ease,
box-shadow 0.2s ease;
}

.emoji-display:hover {
transform: translateY(-2px);
box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.current-emoji {
font-size: 2.5rem;
line-height: 1;
}

.emoji-hint {
font-size: 0.85rem;
color: var(--text-secondary);
}

/* Emoji picker */
emoji-picker {
--num-columns: 8;
--emoji-size: 1.5rem;
--background: var(--bg-tertiary);
--background-active: var(--bg-primary);
--border-color: var(--border-color);
--text-color: var(--text-primary);
--focus-color: var(--accent);
--input-color: var(--bg-primary);
--input-text-color: var(--text-primary);
--input-placeholder-color: var(--text-secondary);
--category-color: var(--text-secondary);
--category-active-color: var(--text-primary);
--category-button-hover-color: var(--bg-primary);
--category-button-active-color: var(--accent);
--emoji-hover-color: var(--bg-primary);
--emoji-active-color: var(--accent);
--scrollbar-thumb-color: var(--border-color);
--scrollbar-thumb-hover-color: var(--text-secondary);
--shadow-color: rgba(0, 0, 0, 0.4);
border: 1px solid var(--border-color);
border-radius: 16px;
overflow: hidden;
width: 100%;
min-height: 320px;
}

emoji-picker::part(input) {
background: var(--bg-primary) !important;
color: var(--text-primary) !important;
border: 1px solid var(--border-color) !important;
border-radius: 8px !important;
font-family: "DM Sans", sans-serif !important;
}

emoji-picker::part(input)::placeholder {
color: var(--text-secondary) !important;
}

emoji-picker::part(input):focus {
outline: none !important;
border-color: var(--accent) !important;
box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important;
}

emoji-picker::part(skin-tone) {
background: var(--bg-primary) !important;
border: 1px solid var(--border-color) !important;
}

emoji-picker::part(nav-button) {
color: var(--text-secondary) !important;
}

emoji-picker::part(nav-button):hover {
color: var(--accent) !important;
}

emoji-picker::part(nav-button).active {
color: var(--accent) !important;
}

emoji-picker::part(emoji) {
border-radius: 6px !important;
transition: all 0.15s ease !important;
}

emoji-picker::part(emoji):hover {
background: var(--bg-primary) !important;
transform: scale(1.15) !important;
}

/* Emoji picker popup fix */
emoji-picker::part(popup) {
z-index: 1000;
}

emoji-picker {
--num-columns: 8;
--emoji-size: 1.5rem;
--background: var(--bg-tertiary);
--background-active: var(--bg-primary);
--border-color: var(--border-color);
--text-color: var(--text-primary);
--focus-color: var(--accent);
--input-color: var(--bg-primary);
--input-text-color: var(--text-primary);
--input-placeholder-color: var(--text-secondary);
--category-color: var(--text-secondary);
--category-active-color: var(--text-primary);
--category-button-hover-color: var(--bg-primary);
--category-button-active-color: var(--accent);
--emoji-hover-color: var(--bg-primary);
--emoji-active-color: var(--accent);
--scrollbar-thumb-color: var(--border-color);
--scrollbar-thumb-hover-color: var(--text-secondary);
--shadow-color: rgba(0, 0, 0, 0.4);
border: 1px solid var(--border-color);
border-radius: 16px;
overflow: hidden;
width: 100%;
max-height: 320px;
}

/* Color picker section */
.color-section {
margin-bottom: 2.5rem;
}

.color-row {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 1rem;
margin-bottom: 1rem;
}

@media (max-width: 500px) {
.color-row {
grid-template-columns: 1fr;
}
}

.color-picker {
display: flex;
flex-direction: column;
gap: 0.75rem;
animation: fadeSlideUp 0.5s ease-out backwards;
}

.color-picker:nth-child(1) {
animation-delay: 0.2s;
}
.color-picker:nth-child(2) {
animation-delay: 0.3s;
}
.color-picker:nth-child(3) {
animation-delay: 0.4s;
}

.color-label {
font-size: 0.75rem;
font-weight: 500;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--text-secondary);
text-align: center;
}

.color-input-wrapper {
position: relative;
aspect-ratio: 1;
border-radius: 16px;
overflow: hidden;
border: 2px solid var(--border-color);
transition:
transform 0.2s ease,
box-shadow 0.2s ease,
border-color 0.2s ease;
cursor: pointer;
}

.color-input-wrapper:hover {
transform: scale(1.05);
box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
border-color: var(--text-secondary);
}

.color-input-wrapper::after {
content: "";
position: absolute;
inset: 0;
background: linear-gradient(
135deg,
rgba(255, 255, 255, 0.2) 0%,
transparent 50%
);
pointer-events: none;
}

input[type="color"] {
position: absolute;
inset: 0;
width: 100%;
height: 100%;
opacity: 0;
cursor: pointer;
padding: 0;
border: none;
}

.color-preview {
position: absolute;
inset: 0;
transition: background 0.3s ease;
}

.color-hex {
position: absolute;
bottom: 8px;
left: 0;
right: 0;
text-align: center;
font-family: "Space Grotesk", monospace;
font-size: 0.7rem;
color: white;
text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
mix-blend-mode: difference;
pointer-events: none;
}

/* Orientation slider */
.orientation-section {
margin-bottom: 2.5rem;
}

.slider-container {
position: relative;
padding: 0.5rem 0;
}

input[type="range"] {
-webkit-appearance: none;
appearance: none;
width: 100%;
height: 8px;
background: var(--bg-tertiary);
border-radius: 4px;
outline: none;
cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 24px;
height: 24px;
background: var(--text-primary);
border-radius: 50%;
cursor: pointer;
transition:
transform 0.2s ease,
box-shadow 0.2s ease;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-webkit-slider-thumb:hover {
transform: scale(1.2);
box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

input[type="range"]::-webkit-slider-thumb:active {
transform: scale(1.1);
}

input[type="range"]::-moz-range-thumb {
width: 24px;
height: 24px;
background: var(--text-primary);
border: none;
border-radius: 50%;
cursor: pointer;
transition:
transform 0.2s ease,
box-shadow 0.2s ease;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Canvas panel */
.canvas-panel {
animation: fadeSlideUp 0.8s ease-out 0.2s backwards;
position: sticky;
top: 2rem;
}

.canvas-wrapper {
background: var(--bg-secondary);
border: 1px solid var(--border-color);
border-radius: 24px;
padding: 2rem;
display: flex;
flex-direction: column;
align-items: center;
gap: 1.5rem;
}

.canvas-frame {
position: relative;
padding: 1rem;
background: linear-gradient(
135deg,
var(--color-1) 0%,
var(--color-2) 50%,
var(--color-3) 100%
);
border-radius: 20px;
transition:
background 0.8s cubic-bezier(0.4, 0, 0.2, 1),
transform 0.3s ease;
animation: canvasEntrance 0.8s ease-out 0.4s backwards;
}

.canvas-frame:hover {
transform: translateY(-4px);
}

canvas {
display: block;
border-radius: 12px;
max-width: 100%;
height: auto;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* Action buttons */
.actions {
display: flex;
flex-wrap: wrap;
gap: 1rem;
justify-content: center;
width: 100%;
}

.btn {
font-family: "Space Grotesk", sans-serif;
font-size: 0.9rem;
font-weight: 500;
padding: 0.875rem 1.75rem;
border: none;
border-radius: 12px;
cursor: pointer;
transition: all 0.2s ease;
display: flex;
align-items: center;
gap: 0.5rem;
}

.btn-primary {
background: var(--accent);
color: white;
}

.btn-primary:hover {
background: #4f46e5;
transform: translateY(-2px);
box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
background: var(--bg-tertiary);
color: var(--text-primary);
border: 1px solid var(--border-color);
}

.btn-secondary:hover {
background: var(--border-color);
transform: translateY(-2px);
}

.btn-random {
background: linear-gradient(
135deg,
var(--color-1) 0%,
var(--color-2) 50%,
var(--color-3) 100%
);
color: #0a0a0b;
font-weight: 700;
transition:
background 0.8s cubic-bezier(0.4, 0, 0.2, 1),
transform 0.2s ease;
}

.btn-random:hover {
transform: translateY(-2px);
box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-save {
background: var(--text-primary);
color: var(--bg-primary);
font-weight: 700;
}

.btn-save:hover {
background: #e4e4e7;
transform: translateY(-2px);
box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

/* Keyboard hint */
.keyboard-hint {
display: flex;
align-items: center;
justify-content: center;
gap: 0.5rem;
font-size: 0.8rem;
color: var(--text-secondary);
margin-top: 0.5rem;
}

.key {
font-family: "Space Grotesk", monospace;
font-size: 0.75rem;
font-weight: 500;
padding: 0.25rem 0.5rem;
background: var(--bg-tertiary);
border: 1px solid var(--border-color);
border-radius: 4px;
}

/* Animations */
@keyframes fadeSlideDown {
from {
opacity: 0;
transform: translateY(-20px);
}
to {
opacity: 1;
transform: translateY(0);
}
}

@keyframes fadeSlideUp {
from {
opacity: 0;
transform: translateY(30px);
}
to {
opacity: 1;
transform: translateY(0);
}
}

@keyframes canvasEntrance {
from {
opacity: 0;
transform: scale(0.9) rotate(-2deg);
}
to {
opacity: 1;
transform: scale(1) rotate(0deg);
}
}