:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --green: #22c55e;
    --yellow: #eab308;
    --red: #ef4444;
    --gold: #fbbf24;
    --sidebar-w: 260px;
}

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

body {
    background: radial-gradient(circle at top left, #1e1b4b, #0f172a);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.active {
    display: flex !important;
}

/* Layout */
.page-container {
    display: none;
    min-height: 100vh;
}

/* Login Page Styles */
#auth-page {
    justify-content: center;
    align-items: center;
}

.glass-login-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.6s ease-out;
}

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

.logo-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

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

/* Form Styles */
.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 1rem;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    transition: 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1rem;
}

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

.btn-primary.full-width {
    width: 100%;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Dashboard Styles */
#dashboard-page {
    display: none; /* Managed by JS */
}

.sidebar {
    width: var(--sidebar-w);
    background: var(--card-bg);
    border-left: 1px solid var(--glass-border);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    right: 0;
    top: 0;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.4rem;
    font-weight: 700;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 2rem;
    color: var(--primary);
}

.sidebar-nav {
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    transition: 0.3s;
}

.nav-item ion-icon {
    font-size: 1.4rem;
}

.nav-item:hover, .nav-item.active {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.sidebar-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

#logout-btn {
    width: 100%;
    background: rgba(239, 68, 68, 0.1);
    color: var(--red);
    border: none;
    padding: 0.8rem;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: 0.3s;
}

#logout-btn:hover {
    background: var(--red);
    color: white;
}

/* Main Content */
.content {
    margin-right: var(--sidebar-w);
    padding: 2rem;
    width: calc(100% - var(--sidebar-w));
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    background: var(--card-bg);
    padding: 1rem 2rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.search-bar {
    position: relative;
    width: 400px;
}

.search-bar ion-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-bar input {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 2.8rem 0.8rem 1rem;
    border-radius: 12px;
    color: white;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.avatar {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: fadeIn 0.4s ease-out;
}

.stat-info h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-info p {
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.stat-icon.green { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.stat-icon.red { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.stat-icon.yellow { background: rgba(234, 179, 8, 0.1); color: #eab308; }

/* Table Styles */
.table-container {
    background: var(--card-bg);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    overflow-x: auto;
}

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

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

th {
    text-align: right;
    padding: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 1px solid var(--glass-border);
}

td {
    padding: 1.2rem 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.status-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-active { background: rgba(34, 197, 94, 0.1); color: var(--green); }
.status-warning { background: rgba(234, 179, 8, 0.1); color: var(--yellow); }
.status-expired { background: rgba(239, 68, 68, 0.1); color: var(--red); }

.action-btns {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.action-btn.delete:hover {
    background: var(--red);
    border-color: var(--red);
}

.action-btn.whatsapp:hover {
    background: #25d366;
    border-color: #25d366;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.chart-container {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 24px;
}

.chart-container-full {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 24px;
    margin-top: 1.5rem;
}

/* Quick Buttons */
.quick-btns {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.quick-btns button {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: 0.3s;
    text-align: right;
}

.quick-btns button:hover {
    background: var(--primary);
    transform: translateX(-5px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 24px;
    width: 100%;
    max-width: 600px;
    animation: fadeIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .sidebar { width: 80px; }
    .sidebar span { display: none; }
    .content { margin-right: 80px; width: calc(100% - 80px); }
    .search-bar { width: 200px; }
}

@media (max-width: 768px) {
    .charts-section { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .content { margin-right: 0; width: 100%; }
}