/* FF Topup Pro - Main Stylesheet */

:root {
    --primary: #FF4A4A;
    --primary-dark: #E63939;
    --secondary: #FFA800;
    --accent: #00D4FF;
    --dark: #0A0E27;
    --dark-light: #1A1F3A;
    --text: #FFFFFF;
    --text-muted: #A0A0A0;
    --success: #00FF88;
    --warning: #FFA800;
    --danger: #FF4A4A;
    --shadow: rgba(255, 74, 74, 0.3);
    --gradient: linear-gradient(135deg, #FF4A4A 0%, #FFA800 100%);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 74, 74, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 168, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: rgba(26, 31, 58, 0.8);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--primary);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s;
}

.nav-links a:hover {
    background: var(--gradient);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 0 40px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 10px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideDown 0.6s ease-out;
}

.hero p {
    color: var(--text-muted);
    font-size: 18px;
    animation: slideUp 0.6s ease-out;
}

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

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

/* Card Styles */
.card {
    background: rgba(26, 31, 58, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    margin: 20px 0;
    border: 1px solid rgba(255, 74, 74, 0.2);
    transition: all 0.3s;
    animation: fadeIn 0.6s ease-out;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--primary);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 74, 74, 0.3);
    border-radius: 8px;
    color: var(--text);
    font-size: 16px;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 74, 74, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: var(--gradient);
    color: var(--text);
    box-shadow: 0 4px 15px var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: rgba(255, 74, 74, 0.1);
}

.btn-success {
    background: var(--success);
    color: var(--dark);
}

.btn-block {
    width: 100%;
}

/* Profile Display */
.profile-display {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin: 20px 0;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary);
}

.profile-info h3 {
    margin-bottom: 5px;
    color: var(--primary);
}

.profile-info p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Packs Grid */
.packs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.pack-card {
    background: rgba(26, 31, 58, 0.8);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.pack-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.pack-card:hover::before {
    left: 100%;
}

.pack-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px var(--shadow);
}

.pack-card.selected {
    border-color: var(--primary);
    background: rgba(255, 74, 74, 0.1);
}

.pack-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.badge-popular {
    background: var(--gradient);
    color: var(--text);
}

.badge-discount {
    background: var(--success);
    color: var(--dark);
}

.pack-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.pack-name {
    font-size: 20px;
    font-weight: bold;
    margin: 10px 0;
}

.pack-price {
    font-size: 28px;
    color: var(--primary);
    font-weight: bold;
}

.pack-original-price {
    font-size: 16px;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-top: 5px;
}

/* Payment Section */
.payment-info {
    text-align: center;
    padding: 30px;
}

.qr-code {
    width: 250px;
    height: 250px;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 12px;
}

.upi-id {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    font-size: 18px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.copy-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.copy-btn:hover {
    background: var(--primary-dark);
}

/* Success Animation */
.success-animation {
    text-align: center;
    padding: 60px 20px;
}

.checkmark {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    border-radius: 50%;
    background: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleUp 0.5s ease-out;
}

.checkmark::before {
    content: '✓';
    font-size: 60px;
    color: var(--dark);
}

@keyframes scaleUp {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.status-pending {
    background: rgba(255, 168, 0, 0.2);
    color: var(--warning);
}

.status-processing {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent);
}

.status-completed {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success);
}

.status-failed {
    background: rgba(255, 74, 74, 0.2);
    color: var(--danger);
}

/* Alert Messages */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid;
    animation: slideIn 0.3s ease-out;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(255, 74, 74, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(255, 168, 0, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}

/* Loading Spinner */
.loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto;
    border: 4px solid rgba(255, 74, 74, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Footer */
footer {
    background: rgba(26, 31, 58, 0.8);
    padding: 30px 0;
    margin-top: 60px;
    text-align: center;
    border-top: 2px solid var(--primary);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .packs-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .pack-card {
        padding: 15px;
    }
    
    .pack-name {
        font-size: 16px;
    }
    
    .pack-price {
        font-size: 20px;
    }
    
    .profile-display {
        flex-direction: column;
        text-align: center;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 10px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.p-20 { padding: 20px; }
.hidden { display: none; }