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

:root {
    --bg-primary: #0a0a14;
    --bg-secondary: rgba(18, 18, 35, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.12);
    
    --color-primary: #8a2be2;
    --color-primary-glow: rgba(138, 43, 226, 0.4);
    --color-secondary: #00f0ff;
    --color-secondary-glow: rgba(0, 240, 255, 0.3);
    --color-accent: #ff007f;
    --color-success: #00ff66;
    --color-warning: #ffb700;
    --color-danger: #ff3366;
    
    --text-main: #f3f3f6;
    --text-muted: #8e8e9f;
    --text-bright: #ffffff;
    
    --sidebar-width: 260px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --font-outfit: 'Outfit', 'Cairo', sans-serif;
    --font-inter: 'Inter', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 10% 10%, rgba(138, 43, 226, 0.15) 0px, transparent 50%),
        radial-gradient(at 90% 90%, rgba(0, 240, 255, 0.1) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(255, 0, 127, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-outfit);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Scrollbar Style */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--glass-highlight);
    border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Glassmorphism Card Utility */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--glass-highlight);
    box-shadow: 0 8px 32px 0 rgba(138, 43, 226, 0.1);
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: rgba(10, 10, 20, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition-smooth);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding-left: 10px;
}

.sidebar-logo i {
    font-size: 28px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-logo span {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(to right, var(--text-bright), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-menu-item a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.sidebar-menu-item a:hover,
.sidebar-menu-item.active a {
    color: var(--text-bright);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: inset 3px 0 0 var(--color-primary);
}

.sidebar-menu-item a i {
    font-size: 18px;
    width: 20px;
    text-align: center;
    transition: var(--transition-smooth);
}

.sidebar-menu-item a:hover i,
.sidebar-menu-item.active a i {
    color: var(--color-secondary);
    text-shadow: 0 0 10px var(--color-secondary-glow);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
}

/* User Profile Widget in Sidebar */
.user-profile-widget {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-bright);
    font-size: 16px;
    box-shadow: 0 0 10px var(--color-primary-glow);
}

.user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-bright);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    min-height: 100vh;
    transition: var(--transition-smooth);
}

/* Top Navigation Bar */
.top-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.page-title h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-bright);
}

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

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Banners */
.impersonation-banner {
    background: linear-gradient(135deg, rgba(255, 0, 127, 0.2), rgba(138, 43, 226, 0.2));
    border: 1px solid rgba(255, 0, 127, 0.4);
    border-radius: var(--border-radius-sm);
    padding: 12px 24px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    animation: slideInDown 0.5s ease;
}

.impersonation-banner span {
    font-weight: 600;
    color: var(--text-bright);
    display: flex;
    align-items: center;
    gap: 10px;
}

.impersonation-banner span i {
    color: var(--color-accent);
    animation: pulse 1.5s infinite;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-outfit);
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #6a1b9a);
    color: var(--text-bright);
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(138, 43, 226, 0.6);
}

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

.btn-secondary:hover {
    background: var(--glass-highlight);
    color: var(--text-bright);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), #c2185b);
    color: var(--text-bright);
    box-shadow: 0 4px 15px rgba(255, 0, 127, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 127, 0.5);
}

.btn-success {
    background: rgba(0, 255, 102, 0.15);
    border-color: rgba(0, 255, 102, 0.3);
    color: #a3ffc2;
}

.btn-success:hover {
    background: rgba(0, 255, 102, 0.25);
    color: var(--text-bright);
    border-color: rgba(0, 255, 102, 0.5);
}

.btn-danger {
    background: rgba(255, 51, 102, 0.15);
    border-color: rgba(255, 51, 102, 0.3);
    color: #ffb3c2;
}

.btn-danger:hover {
    background: rgba(255, 51, 102, 0.25);
    color: var(--text-bright);
    border-color: rgba(255, 51, 102, 0.5);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Stats Container & Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-bottom: 35px;
}

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

.stat-card-details h3 {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.stat-card-details .stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-bright);
    font-family: var(--font-inter);
}

.stat-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    color: var(--color-primary);
    transition: var(--transition-smooth);
}

.stat-card:hover .stat-card-icon {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
    box-shadow: 0 0 15px var(--color-secondary-glow);
    transform: rotate(5deg) scale(1.05);
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-top: 15px;
}

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

.custom-table th {
    padding: 16px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.01);
}

.custom-table td {
    padding: 16px;
    font-size: 14px;
    color: var(--text-main);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    vertical-align: middle;
}

.custom-table tbody tr {
    transition: var(--transition-smooth);
}

.custom-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.badge-active {
    background: rgba(0, 255, 102, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(0, 255, 102, 0.2);
}

.badge-expired {
    background: rgba(255, 51, 102, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(255, 51, 102, 0.2);
}

.badge-pending {
    background: rgba(255, 183, 0, 0.1);
    color: var(--color-warning);
    border: 1px solid rgba(255, 183, 0, 0.2);
}

.badge-info {
    background: rgba(0, 240, 255, 0.1);
    color: var(--color-secondary);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

/* Forms & Modals */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-bright);
    font-family: var(--font-outfit);
    font-size: 15px;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 0 10px var(--color-primary-glow);
}

select.form-control option {
    background-color: var(--bg-primary);
    color: var(--text-main);
}

/* Grid Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* Login/Register Screens Layout */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 450px;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header i {
    font-size: 48px;
    margin-bottom: 15px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-header h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-bright);
}

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

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.auth-footer a:hover {
    color: var(--text-bright);
    text-shadow: 0 0 10px var(--color-secondary-glow);
}

/* Notifications & Flash Messages */
.alert-container {
    margin-bottom: 25px;
}

.alert {
    padding: 12px 20px;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeIn 0.4s ease;
}

.alert-success {
    background: rgba(0, 255, 102, 0.1);
    border: 1px solid rgba(0, 255, 102, 0.2);
    color: #a3ffc2;
}

.alert-danger {
    background: rgba(255, 51, 102, 0.1);
    border: 1px solid rgba(255, 51, 102, 0.2);
    color: #ffb3c2;
}

/* Invoice Creation CSS */
.invoice-builder-card {
    margin-top: 25px;
}

.invoice-item-row {
    display: grid;
    grid-template-columns: 3fr 1fr 1.5fr 1.5fr 40px;
    gap: 15px;
    align-items: center;
    margin-bottom: 12px;
    animation: fadeIn 0.3s ease;
}

.invoice-summary {
    display: flex;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.invoice-totals {
    width: 250px;
}

.invoice-totals-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 15px;
}

.invoice-totals-row.grand-total {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-secondary);
    border-top: 1px dashed var(--glass-border);
    margin-top: 8px;
    padding-top: 12px;
}

/* RTL layouts support Cairo font and right alignments automatically if dir="rtl" */
[dir="rtl"] {
    font-family: 'Cairo', var(--font-outfit);
}

[dir="rtl"] .sidebar {
    border-right: none;
    border-left: 1px solid var(--glass-border);
    right: 0;
    left: auto;
}

[dir="rtl"] .main-content {
    margin-left: 0;
    margin-right: var(--sidebar-width);
}

[dir="rtl"] .custom-table {
    text-align: right;
}

[dir="rtl"] .sidebar-menu-item a {
    box-shadow: inset -3px 0 0 transparent;
}

[dir="rtl"] .sidebar-menu-item a:hover,
[dir="rtl"] .sidebar-menu-item.active a {
    box-shadow: inset -3px 0 0 var(--color-primary);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Impersonate Mode Banner specific */
.impersonate-indicator {
    padding: 4px 10px;
    background: rgba(255, 0, 127, 0.2);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: var(--border-radius-sm);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}