/* style.css - CSS Utama */
:root {
    /* Color Variables */
    --primary: #8b0000;
    --primary-dark: #2b0000;
    --secondary: #FFD700;
    --secondary-light: #FF9F00;
    --accent: #FF6B6B;
    --success: #06D6A0;
    --warning: #FFD166;
    --danger: #EF476F;
    --info: #118AB2;
    
    /* Background Colors */
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --bg-gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    
    /* Text Colors */
    --text-light: #FFFFFF;
    --text-gray: #B0B0B0;
    --text-dark: #333333;
    
    /* Border & Shadow */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --box-shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    
    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Font Sizes */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 2rem;
    --font-4xl: 3rem;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Background Effects */
.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: radial-gradient(circle at 20% 50%, rgba(139, 0, 0, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    animation: bgPulse 10s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Common Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: var(--font-base);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: var(--primary-dark);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--secondary);
}

.btn-lg {
    padding: 20px 40px;
    font-size: var(--font-lg);
}

.btn-block {
    width: 100%;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px;
    transition: all var(--transition-normal);
}

.card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 215, 0, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

/* Inputs */
.input-field {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--text-light);
    font-size: var(--font-base);
    transition: all var(--transition-normal);
    font-family: 'Poppins', sans-serif;
}

.input-field:focus {
    outline: none;
    border-color: var(--secondary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.input-field::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Toast & Notifications */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--success);
    color: white;
    padding: 15px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 1000;
    max-width: 350px;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toast-icon {
    font-size: 1.5rem;
}

.toast-message {
    font-weight: 500;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    font-size: var(--font-lg);
    color: var(--text-light);
    font-weight: 500;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px var(--secondary); }
    50% { box-shadow: 0 0 40px var(--secondary); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-gradient {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }
.gap-30 { gap: 30px; }

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }

.hidden { display: none; }
.visible { display: block; }

/* Responsive */
@media (max-width: 1200px) {
    .container {
        padding: 15px;
    }
}

@media (max-width: 768px) {
    :root {
        --border-radius-lg: 15px;
        --font-2xl: 1.25rem;
        --font-3xl: 1.75rem;
    }
    
    .container {
        padding: 10px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: var(--font-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --font-base: 0.875rem;
        --font-lg: 1rem;
    }
}