:root {
    --bg-dark: #050508;
    --card-bg: rgba(18, 18, 28, 0.75);
    --card-border: #ff007f;
    --neon-pink: #ff007f;
    --neon-cyan: #00f3ff;
    --neon-gold: #ffd700;
    --neon-purple: #9d00ff;
    --text-main: #ffffff;
    --text-muted: #a0a0c0;
    --input-bg: rgba(10, 10, 18, 0.9);
    --radius-lg: 20px;
    --radius-md: 12px;
    --glow-pink: 0 0 15px rgba(255, 0, 127, 0.6), 0 0 30px rgba(255, 0, 127, 0.2);
    --glow-cyan: 0 0 15px rgba(0, 243, 255, 0.6), 0 0 30px rgba(0, 243, 255, 0.2);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 15% 20%, rgba(255, 0, 127, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(0, 243, 255, 0.15) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 30px 30px, 30px 30px;
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
}

.page-wrapper {
    max-width: 1050px;
    margin: 0 auto;
    padding: 32px 16px;
    position: relative;
    z-index: 2;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 28px;
    margin-bottom: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 0, 127, 0.3);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    border-color: rgba(0, 243, 255, 0.6);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.8), var(--glow-cyan);
}

/* Header */
.header-card {
    background: linear-gradient(135deg, rgba(255, 0, 127, 0.1) 0%, rgba(15, 10, 25, 0.8) 100%);
    border-left: 6px solid var(--neon-pink);
    box-shadow: var(--glow-pink);
}

h1 {
    margin: 0;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
    text-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink);
}

h1 span {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan);
}

.subtitle {
    margin-top: 6px;
    margin-bottom: 0;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--neon-gold);
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}

/* Form Grid */
#climateForm {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.field-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

label {
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--neon-cyan);
    margin-bottom: 8px;
    text-shadow: 0 0 5px rgba(0, 243, 255, 0.5);
}

input[type="text"],
input[type="date"],
select {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 0, 127, 0.4);
    background-color: var(--input-bg);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    transition: all 0.3s ease;
    outline: none;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

input[type="text"]:focus,
input[type="date"]:focus,
select:focus {
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan), inset 0 2px 4px rgba(0,0,0,0.5);
}

/* Custom Autocomplete */
.autocomplete-wrapper {
    grid-column: 1 / -1;
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #0d0d18;
    border: 1px solid var(--neon-pink);
    border-radius: var(--radius-md);
    margin-top: 6px;
    max-height: 240px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--glow-pink);
    display: none;
}

.autocomplete-dropdown.active {
    display: block;
}

.autocomplete-item {
    padding: 12px 16px;
    cursor: pointer;
    font-size: 14px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.autocomplete-item:hover {
    background: linear-gradient(90deg, rgba(255, 0, 127, 0.3) 0%, transparent 100%);
    color: var(--neon-cyan);
    padding-left: 22px;
}

.autocomplete-item .country {
    font-size: 12px;
    color: var(--neon-gold);
}

/* Checkbox */
.checkbox-group {
    grid-column: 1 / -1;
    margin-top: 6px;
}

.custom-checkbox {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--neon-gold);
    user-select: none;
}

.custom-checkbox input {
    display: none;
}

.checkmark {
    width: 22px;
    height: 22px;
    background-color: var(--input-bg);
    border: 1px solid var(--neon-pink);
    border-radius: 6px;
    margin-right: 12px;
    position: relative;
    transition: all 0.2s ease;
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--neon-pink);
    box-shadow: var(--glow-pink);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
}

/* Submit Button */
button[type="submit"] {
    grid-column: 1 / -1;
    padding: 16px 28px;
    background: linear-gradient(90deg, var(--neon-pink) 0%, var(--neon-purple) 100%);
    color: #ffffff;
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--glow-pink);
}

button[type="submit"]:hover {
    background: linear-gradient(90deg, var(--neon-cyan) 0%, var(--neon-purple) 100%);
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
}

/* Canvas Container */
.canvas-container {
    position: relative;
    width: 100%;
    background: rgba(5, 5, 10, 0.8);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 243, 255, 0.2);
    padding: 10px;
}

canvas {
    display: block;
    width: 100% !important;
}

/* JSON Output */
.json-section h3 {
    margin: 0 0 12px 0;
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--neon-cyan);
}

pre {
    background-color: #06060c;
    color: var(--neon-gold);
    padding: 18px;
    border-radius: var(--radius-md);
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: 13px;
    line-height: 1.6;
    overflow-x: auto;
    margin: 0;
    border: 1px solid rgba(255, 215, 0, 0.3);
}