/* ==========================================================================
   Club Underground - Premium Subscription Form Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --bg-dark: #0A0A0C;
    --bg-card: rgba(18, 18, 22, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: #8B5CF6; /* Neon Purple */
    --accent-gold: #C5A880; /* Premium Champagne Gold */
    --accent-gold-hover: #E2C9A1;
    --accent-purple: #8B5CF6;
    --text-primary: #FFFFFF;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    --error: #EF4444;
    --success: #10B981;
    
    /* Typography */
    --font-title: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Form Container */
.underground-form-wrapper {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(197, 168, 128, 0.1) 0%, transparent 40%);
    color: var(--text-primary);
    padding: 3rem 1.5rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    max-width: 650px;
    margin: 2rem auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-sizing: border-box;
}

.underground-form-wrapper * {
    box-sizing: border-box;
}

/* Header Styling */
.underground-form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.underground-form-header h2 {
    font-family: var(--font-title);
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #FFFFFF 30%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

.underground-form-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Form Sections */
.underground-form-section {
    margin-bottom: 2.5rem;
}

.underground-form-section-title {
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-gold);
    border-bottom: 1px solid rgba(197, 168, 128, 0.25);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

/* Grid Layout for Fields */
.underground-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 600px) {
    .underground-grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}

/* Input Fields styling */
.underground-input-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.underground-label {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

.underground-label .required-asterisk {
    color: var(--accent-gold);
    margin-left: 4px;
    font-weight: bold;
}

.underground-input {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 0.875rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.underground-input::placeholder {
    color: var(--text-muted);
}

.underground-input:focus {
    outline: none;
    border-color: var(--border-focus);
    background-color: rgba(139, 92, 246, 0.05);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.2);
}

/* Help Text */
.underground-help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    line-height: 1.4;
}

/* Custom Checkbox Styles */
.underground-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.underground-checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 2rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.underground-checkbox-container:hover {
    color: var(--text-primary);
}

/* Hide Default Checkbox */
.underground-checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Custom Checkmark Box */
.underground-checkmark {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 20px;
    width: 20px;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    transition: var(--transition-smooth);
}

/* Hover Checkbox border */
.underground-checkbox-container:hover input ~ .underground-checkmark {
    border-color: var(--accent-gold);
    box-shadow: 0 0 8px rgba(197, 168, 128, 0.25);
}

/* Checked state background */
.underground-checkbox-container input:checked ~ .underground-checkmark {
    background-color: var(--accent-purple);
    border-color: var(--accent-purple);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.4);
}

/* Inner Checkmark sign */
.underground-checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

/* Show checkmark when checked */
.underground-checkbox-container input:checked ~ .underground-checkmark:after {
    display: block;
}

/* Draw Checkmark icon */
.underground-checkbox-container .underground-checkmark:after {
    left: 6.5px;
    top: 2.5px;
    width: 6px;
    height: 11px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    transition: var(--transition-smooth);
}

/* Submit Button Container */
.underground-submit-container {
    margin-top: 3rem;
}

.underground-btn {
    width: 100%;
    background: linear-gradient(135deg, #A88958 0%, var(--accent-gold) 50%, #A88958 100%);
    background-size: 200% auto;
    color: #0A0A0C;
    border: none;
    border-radius: 12px;
    padding: 1.125rem 2rem;
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(197, 168, 128, 0.3);
    transition: var(--transition-smooth);
}

.underground-btn:hover:not(:disabled) {
    background-position: right center;
    box-shadow: 0 8px 30px rgba(197, 168, 128, 0.5);
    transform: translateY(-2px);
}

.underground-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.underground-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--text-muted);
    box-shadow: none;
}

/* Loading/Success/Error states */
.underground-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1.5;
    display: none;
    text-align: center;
    animation: fadeInUp 0.4s ease forwards;
}

.underground-message.success {
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
    display: block;
}

.underground-message.error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    display: block;
}

.underground-message.info {
    background-color: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--accent-purple);
    color: var(--text-primary);
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}