:root {
    --primary: #4f46e5;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark-bg: #0f172a;
    --card-bg: #1e293b;
    --card-hover: #334155;
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: #334155;
}

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

body {
    font-family: 'Cairo', sans-serif;
    background: var(--dark-bg);
    color: var(--text);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

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

.login-icon {
    font-size: 64px;
    margin-bottom: 15px;
}

.login-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

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

.error-message {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
}

.login-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--dark-bg);
    color: var(--text);
    font-size: 15px;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-login:hover {
    background: #4338ca;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
}

.login-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
}

/* Dashboard */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.dashboard-header {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

.header-left h1 {
    font-size: 24px;
    margin-bottom: 4px;
}

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

.btn-logout {
    background: var(--danger);
    color: white;
    padding: 10px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-logout:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

/* Stats */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.stat-icon {
    font-size: 48px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Accounts Section */
.accounts-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
}

.section-header h2 {
    font-size: 20px;
    margin-bottom: 20px;
}

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.account-card {
    background: var(--dark-bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s;
}

.account-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.account-header {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.account-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.account-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.account-info h3 {
    font-size: 16px;
    margin-bottom: 4px;
}

.account-id {
    font-size: 13px;
    color: var(--text-secondary);
}

.account-meta {
    margin-bottom: 15px;
    padding: 10px 0;
    border-top: 1px solid var(--border);
}

.meta-item {
    font-size: 13px;
    color: var(--text-secondary);
}

.account-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.btn-view, .btn-delete {
    padding: 10px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-view:hover {
    background: #4338ca;
}

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

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

/* Empty State */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 80px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-secondary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 15px;
    left: 15px;
    font-size: 32px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s;
}

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