:root {
    --bg-dark: #0a0c10;
    --card-bg: #121620;
    --neon-blue: #00d2ff;
    --neon-glow: #0072ff;
    --text-main: #f0f4f8;
    --text-muted: #8a99ad;
    --border-color: #1e2638;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

/* Header & Navigation */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    border-bottom: 1px solid var(--border-color);
    background: rgba(10, 12, 16, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 1px;
}

.logo span {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-glow);
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 25px;
    font-size: 0.95rem;
    transition: color 0.3s;
}

nav a:hover, nav a.active {
    color: var(--neon-blue);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 100px 20px 60px 20px;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 40px;
}

/* Form Dashboard Design */
.dashboard-container {
    max-width: 700px;
    margin: 0 auto 100px auto;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 600;
}

input, select {
    width: 100%;
    padding: 14px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: 0 0 8px rgba(0, 210, 255, 0.3);
}

/* Error/Validation States */
.error-msg {
    color: #ff4a4a;
    font-size: 0.8rem;
    margin-top: 5px;
    display: none;
}

input.invalid {
    border-color: #ff4a4a;
}

/* Neon Button */
.btn-submit {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-glow));
    border: none;
    border-radius: 6px;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.6);
}

.btn-submit:disabled {
    background: var(--border-color);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* Status Notifications */
.notification {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    display: none;
    text-align: center;
    font-weight: 600;
}

.success { background: rgba(0, 200, 80, 0.2); color: #00ff55; border: 1px solid #00cc44; }
.error { background: rgba(200, 0, 0, 0.2); color: #ff5555; border: 1px solid #cc0000; }