/* Modern Design System for Payexon */
:root {
    --primary-color: #8697C4;
    --secondary-color: #ADBBDA;
    --accent-color: #EDE8F5;
    --text-dark: #2C3E50;
    --text-light: #FFFFFF;
    --text-gray: #7F8C8D;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --gradient-primary: linear-gradient(135deg, #8697C4 0%, #ADBBDA 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    --shadow-soft: 0 4px 20px rgba(134, 151, 196, 0.1);
    --shadow-medium: 0 8px 30px rgba(134, 151, 196, 0.15);
    --shadow-strong: 0 15px 40px rgba(134, 151, 196, 0.2);
    --border-radius: 16px;
    --border-radius-sm: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

body {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Floating Background Elements */
body::before,
body::after {
    content: '';
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.05;
    animation: float 20s ease-in-out infinite;
    z-index: -1;
}

body::before {
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

body::after {
    bottom: -150px;
    right: -150px;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

/* Modern Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loading-content {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-strong);
    max-width: 300px;
    width: 90%;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading-content p {
    color: var(--text-dark);
    font-weight: 500;
    margin: 0;
}

/* Modern Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(134, 151, 196, 0.1);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-soft);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation Menu */
.nav-menu {
    flex: 1;
    margin: 0 2rem;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    justify-content: center;
    gap: 0.5rem;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(134, 151, 196, 0.1);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.nav-link.active {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-soft);
}

.nav-link i {
    font-size: 0.9rem;
}

.nav-link span {
    font-size: 0.85rem;
}

/* User Section */
.user-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-info {
    text-align: right;
}

.user-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.user-status {
    font-size: 0.75rem;
    color: var(--success-color);
    font-weight: 500;
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--gradient-primary);
    border: 3px solid var(--accent-color);
    transition: var(--transition);
}

.user-avatar:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
}

.logout-btn {
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Modern Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 0.9rem;
    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;
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-soft);
}

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

.btn-secondary {
    background: var(--text-light);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--text-light);
    box-shadow: var(--shadow-soft);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Modern Cards */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(134, 151, 196, 0.1);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(134, 151, 196, 0.1);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
}

.card-subtitle {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 0.25rem;
}

/* Modern Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid rgba(134, 151, 196, 0.2);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(134, 151, 196, 0.1);
    transform: translateY(-1px);
}

.form-input::placeholder {
    color: var(--text-gray);
}

/* Modern Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.main-container {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(134, 151, 196, 0.1);
}

.hero-greeting {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    color: var(--text-gray);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .user-section {
        gap: 1rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero-greeting {
        font-size: 1.5rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

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

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius); }

.shadow { box-shadow: var(--shadow-soft); }
.shadow-md { box-shadow: var(--shadow-medium); }
.shadow-lg { box-shadow: var(--shadow-strong); }