/* ========================================
   VSPAY - Clean Light Theme
   Payment Gateway Dashboard
   ======================================== */

:root {
    /* Primary Blue Colors */
    --primary: #1890ff;
    --primary-dark: #096dd9;
    --primary-light: #40a9ff;
    --primary-bg: rgba(24, 144, 255, 0.1);

    /* Background colors */
    --bg-main: #f0f2f5;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #fafafa;

    /* Text colors */
    --text-primary: #262626;
    --text-secondary: #595959;
    --text-muted: #8c8c8c;
    --text-light: #bfbfbf;

    /* Border colors */
    --border-light: #f0f0f0;
    --border-main: #d9d9d9;

    /* Status colors */
    --success: #52c41a;
    --warning: #faad14;
    --error: #ff4d4f;
    --info: #1890ff;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    font-size: 12px;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
    background: var(--border-main);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ========================================
   LOGIN PAGE
   ======================================== */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e6f4ff 0%, #f0f2f5 100%);
    padding: var(--spacing-lg);
}

.login-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    width: 100%;
    max-width: 380px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.login-logo img {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.login-logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.login-logo p {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ========================================
   FORM ELEMENTS
   ======================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-white);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.8125rem;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-bg);
}

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

/* Input with icon */
.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.75rem;
}

.input-icon-wrapper input {
    padding-left: 2rem;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

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

.btn-secondary {
    background: var(--bg-white);
    border: 1px solid var(--border-main);
    color: var(--text-secondary);
}

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

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

.btn-success:hover {
    background: #73d13d;
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    background: #ff7875;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.6875rem;
}

.btn-lg {
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
}

.btn-block {
    width: 100%;
}

/* ========================================
   MAIN LAYOUT
   ======================================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 200px;
    background: var(--bg-white);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar-header img {
    height: 28px;
    width: auto;
}

.sidebar-header h1 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-sm);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-md);
}

.nav-section-title {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.15s ease;
    cursor: pointer;
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary-bg);
    color: var(--primary);
}

.nav-item i {
    font-size: 0.875rem;
    width: 18px;
    text-align: center;
}

.nav-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

.nav-badge {
    margin-left: auto;
    background: var(--error);
    color: white;
    font-size: 0.625rem;
    padding: 1px 6px;
    border-radius: 10px;
    font-weight: 600;
}

/* Sidebar footer */
.sidebar-footer {
    padding: var(--spacing-sm);
    border-top: 1px solid var(--border-light);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    color: white;
}

.user-details {
    flex: 1;
}

.user-details .name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-details .role {
    font-size: 0.625rem;
    color: var(--text-muted);
}

/* Main content */
.main-content {
    flex: 1;
    margin-left: 200px;
    min-height: 100vh;
    background: var(--bg-main);
}

/* Header */
.main-header {
    padding: var(--spacing-md) var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.balance-display {
    background: var(--primary-bg);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Content area */
.content-area {
    padding: var(--spacing-lg);
}

/* ========================================
   CARDS
   ======================================== */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Stats cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all 0.2s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.stat-icon.purple,
.stat-icon.blue {
    background: var(--primary-bg);
    color: var(--primary);
}

.stat-icon.green {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success);
}

.stat-icon.red {
    background: rgba(255, 77, 79, 0.1);
    color: var(--error);
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.stat-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-change {
    font-size: 0.625rem;
    margin-top: 2px;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--error);
}

/* ========================================
   TABLES
   ======================================== */

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-hover);
}

tbody td {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.75rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

tbody tr:hover {
    background: var(--bg-hover);
}

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.625rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success);
}

.badge-pending {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning);
}

.badge-failed {
    background: rgba(255, 77, 79, 0.1);
    color: var(--error);
}

.badge-processing {
    background: var(--primary-bg);
    color: var(--primary);
}

/* ========================================
   MODALS
   ======================================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: var(--spacing-lg);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.2s ease;
    box-shadow: var(--shadow-lg);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

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

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

/* ========================================
   ALERTS & TOASTS
   ======================================== */

.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
}

.alert-success {
    background: rgba(82, 196, 26, 0.1);
    border: 1px solid rgba(82, 196, 26, 0.2);
    color: var(--success);
}

.alert-error {
    background: rgba(255, 77, 79, 0.1);
    border: 1px solid rgba(255, 77, 79, 0.2);
    color: var(--error);
}

.alert-warning {
    background: rgba(250, 173, 20, 0.1);
    border: 1px solid rgba(250, 173, 20, 0.2);
    color: #d48806;
}

.alert-info {
    background: var(--primary-bg);
    border: 1px solid rgba(24, 144, 255, 0.2);
    color: var(--primary);
}

/* Toast container */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: toastIn 0.2s ease;
    min-width: 240px;
    font-size: 0.75rem;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========================================
   TABS
   ======================================== */

.tabs {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--spacing-md);
}

.tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    transition: all 0.15s ease;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary);
}

.tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

/* ========================================
   API DOCS
   ======================================== */

.code-block {
    background: #f6f8fa;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    overflow-x: auto;
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 0.6875rem;
    line-height: 1.5;
}

.code-block pre {
    margin: 0;
    color: var(--text-secondary);
}

.endpoint-card {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}

.endpoint-method {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.625rem;
    font-weight: 700;
    margin-right: var(--spacing-xs);
}

.endpoint-method.post {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success);
}

.endpoint-method.get {
    background: var(--primary-bg);
    color: var(--primary);
}

/* Balance info box */
.balance-info-box {
    background: var(--primary-bg);
    border: 1px solid rgba(24, 144, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.balance-info-box .balance-label {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.balance-info-box .balance-amount {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
}

/* Payment link result */
.payment-link-result {
    background: var(--bg-hover);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    word-break: break-all;
}

.payment-link-result label {
    font-size: 0.6875rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.payment-link-result input {
    width: 100%;
    padding: 0.5rem;
    background: var(--bg-white);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

/* ========================================
   UTILITIES
   ======================================== */

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

.text-success {
    color: var(--success);
}

.text-error {
    color: var(--error);
}

.text-warning {
    color: var(--warning);
}

.text-primary-color {
    color: var(--primary);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.hidden {
    display: none !important;
}

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.empty-state i {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .content-area {
        padding: var(--spacing-md);
    }
}