@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #B197FC;
    --primary-hover: #9c7cf8;
    --primary-light: rgba(177, 151, 252, 0.1);
    --primary-glow: rgba(177, 151, 252, 0.25);
    
    --bg-dark: #0a0a0f;
    --bg-card: #13121a;
    --bg-card-hover: #181721;
    --border-color: rgba(177, 151, 252, 0.12);
    --border-focus: rgba(177, 151, 252, 0.4);
    
    --text-main: #f8f9fa;
    --text-muted: #9ba3af;
    --text-dark: #4b5563;
    
    --success: #38d9a9;
    --success-light: rgba(56, 217, 169, 0.1);
    --error: #ff6b6b;
    --error-light: rgba(255, 107, 107, 0.1);
    --warning: #fcc419;
    --warning-light: rgba(252, 196, 25, 0.1);
    --info: #4dadf7;
    --info-light: rgba(77, 173, 247, 0.1);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

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

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(177, 151, 252, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(156, 124, 248, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Layout Elements */
.app-header {
    background-color: rgba(19, 18, 26, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-main);
}

.brand-dot {
    color: var(--primary);
    font-size: 2rem;
    line-height: 1;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Hamburger toggle button */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    outline: none;
}

.nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

/* Main Wrapper */
.main-content {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
}

/* Glass Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(177, 151, 252, 0.25);
    background-color: var(--bg-card-hover);
}

/* Interactive elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: var(--font-display);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: #0d0c12;
    box-shadow: 0 4px 14px 0 rgba(177, 151, 252, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(177, 151, 252, 0.45);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-danger {
    background-color: var(--error-light);
    color: var(--error);
    border-color: rgba(255, 107, 107, 0.2);
}

.btn-danger:hover {
    background-color: var(--error);
    color: #000;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 6px;
}

/* Form inputs */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(10, 10, 15, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background-color: rgba(10, 10, 15, 0.8);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Auth Pages Style */
.auth-container {
    max-width: 480px;
    margin: 4rem auto;
    width: 100%;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-muted);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Dashboard Home Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stat-title {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.stat-accent {
    color: var(--primary);
}

.stat-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Tables style */
.table-container {
    overflow-x: auto;
    width: 100%;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.95rem;
    vertical-align: middle;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background-color: rgba(177, 151, 252, 0.02);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

.badge-danger {
    background-color: var(--error-light);
    color: var(--error);
}

.badge-warning {
    background-color: var(--warning-light);
    color: var(--warning);
}

/* Notifications (Flash messages) */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn 0.3s ease-out;
}

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

.alert-success {
    background-color: var(--success-light);
    color: var(--success);
    border: 1px solid rgba(56, 217, 169, 0.2);
}

.alert-danger {
    background-color: var(--error-light);
    color: var(--error);
    border: 1px solid rgba(255, 107, 107, 0.2);
}

.alert-warning {
    background-color: var(--warning-light);
    color: var(--warning);
    border: 1px solid rgba(252, 196, 25, 0.2);
}

.alert-info {
    background-color: var(--info-light);
    color: var(--info);
    border: 1px solid rgba(77, 173, 247, 0.2);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
}

.alert-close:hover {
    opacity: 1;
}

/* Checkout Page Specific */
.checkout-wrapper {
    max-width: 900px;
    margin: 2rem auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .checkout-wrapper {
        grid-template-columns: 1fr;
    }
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        position: relative;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: #13121a;
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
        gap: 1.25rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        z-index: 99;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-link {
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .nav-link:last-child {
        border-bottom: none;
    }
}

.checkout-summary {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.checkout-price {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin: 1rem 0;
}

/* Simulated Card Representation */
.card-container {
    perspective: 1000px;
    margin: 1.5rem 0;
    width: 100%;
    height: 180px;
}

.payment-card {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.payment-card.flipped {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-front {
    background: linear-gradient(135deg, #1e1b29 0%, #0f0e15 100%);
    background-image: radial-gradient(circle at 100% 0%, rgba(177, 151, 252, 0.2) 0%, transparent 60%);
}

.card-back {
    background: linear-gradient(135deg, #13121b 0%, #08080c 100%);
    transform: rotateY(180deg);
    padding: 1.5rem 0;
}

.card-chip {
    width: 40px;
    height: 30px;
    background: linear-gradient(135deg, #ffd700 0%, #cca300 100%);
    border-radius: 6px;
}

.card-number-display {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.3rem;
    letter-spacing: 0.1em;
    color: #fff;
    margin: 1.5rem 0 0.5rem 0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
}

.card-holder-display {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-expiry-display {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    color: #fff;
}

.card-magnetic-strip {
    width: 100%;
    height: 35px;
    background-color: #000;
    margin-top: 0.5rem;
}

.card-signature-area {
    margin: 1rem 1.5rem 0 1.5rem;
    background-color: #f1f3f5;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 0.5rem;
    border-radius: 4px;
}

.card-cvv-display {
    font-family: 'Courier New', Courier, monospace;
    color: #000;
    font-weight: 700;
    font-style: italic;
    letter-spacing: 0.1em;
}

/* Modal styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 100%;
    max-width: 550px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--primary);
}

/* Log Display */
.json-log {
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #a78bfa;
    max-height: 250px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.log-status {
    font-weight: 700;
}

.log-status.status-2xx {
    color: var(--success);
}

.log-status.status-5xx, .log-status.status-4xx {
    color: var(--error);
}

/* Footer styling */
.app-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: auto;
}

/* Responsive adjustments for smaller screens */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: 1.5rem 1rem;
    }
    .card {
        padding: 1.5rem 1.25rem;
    }
    .app-header .header-container {
        padding: 1rem 1.25rem;
    }
    h1 {
        font-size: 1.8rem !important;
    }
    .table th, .table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
    }
    .btn {
        padding: 0.6rem 1.25rem;
        font-size: 0.9rem;
    }
    .app-footer {
        padding: 1.25rem 1rem;
    }
}