/* ===== المتغيرات والإعدادات الأساسية ===== */
:root {
    /* الألوان الرئيسية */
    --primary: #1a73e8;
    --primary-light: #4a9af5;
    --primary-dark: #1557b0;
    --primary-bg: #e8f0fe;
    
    --success: #0d9f6e;
    --success-light: #d1fae5;
    --success-dark: #065f46;
    
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #92400e;
    
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --danger-dark: #991b1b;
    
    --whatsapp: #25d366;
    --whatsapp-dark: #128c7e;

    /* ألوان الخلفية والنص */
    --bg-primary: #f0f4f9;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-input: #f8fafc;
    --bg-hover: #f1f5f9;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.12);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* الوضع الداكن */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --bg-hover: #334155;
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-light: #1e293b;
    
    --primary-bg: #1e3a5f;
    --success-light: #064e3b;
    --warning-light: #451a03;
    --danger-light: #450a0a;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.6);
}

/* ===== الإعادة والأساسيات ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Tajawal', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.hidden {
    display: none !important;
}

/* ===== شاشة تسجيل الدخول ===== */
.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1a73e8 100%);
    position: relative;
    overflow: hidden;
    padding: 20px;
}

.login-bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    background: #ffffff;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -80px;
    left: -80px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.login-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    text-align: center;
    animation: slideUp 0.6s ease-out;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-logo {
    margin-bottom: 36px;
}

.logo-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 36px;
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.4);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 10px 30px rgba(26, 115, 232, 0.4); }
    50% { box-shadow: 0 10px 40px rgba(26, 115, 232, 0.6); }
}

.login-logo h1 {
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 4px;
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.6);
    font-size: 15px;
    font-weight: 300;
}

.login-form .input-group {
    position: relative;
    margin-bottom: 18px;
}

.login-form .input-group i {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.4);
    font-size: 16px;
    transition: var(--transition);
    z-index: 1;
}

.login-form .input-group input {
    width: 100%;
    padding: 14px 48px 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    font-family: 'Tajawal', sans-serif;
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}

.login-form .input-group input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.login-form .input-group input:focus {
    border-color: var(--primary-light);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
}

.login-form .input-group input:focus + i,
.login-form .input-group:has(input:focus) i {
    color: var(--primary-light);
}

.btn-login {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-family: 'Tajawal', sans-serif;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 8px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

.login-error {
    color: #f87171;
    font-size: 14px;
    margin-top: 14px;
    min-height: 20px;
}

/* ===== الشريط العلوي ===== */
.top-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.top-bar-right, .top-bar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

.brand-text h1 {
    font-size: 18px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
}

.brand-text span {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-logout:hover {
    color: var(--danger);
    border-color: var(--danger);
}

/* ===== إشعارات ===== */
.alerts-banner {
    background: linear-gradient(135deg, var(--warning-light), #fff7ed);
    border-bottom: 2px solid var(--warning);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideDown 0.3s ease;
}

[data-theme="dark"] .alerts-banner {
    background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.05));
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--warning-dark);
    font-weight: 600;
    font-size: 14px;
}

[data-theme="dark"] .alert-content {
    color: var(--warning);
}

.alert-content i {
    font-size: 18px;
    color: var(--warning);
    animation: shake 2s ease-in-out infinite;
}

@keyframes shake {
    0%, 100% { transform: rotate(0); }
    10% { transform: rotate(-10deg); }
    20% { transform: rotate(10deg); }
    30% { transform: rotate(-10deg); }
    40% { transform: rotate(0); }
}

.alert-close {
    background: none;
    border: none;
    color: var(--warning-dark);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    transition: var(--transition);
}

[data-theme="dark"] .alert-close {
    color: var(--warning);
}

/* ===== البطاقات الإحصائية ===== */
.stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 20px 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.stat-total::before { background: var(--primary); }
.stat-active::before { background: var(--success); }
.stat-expiring::before { background: var(--warning); }
.stat-expired::before { background: var(--danger); }

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-total .stat-icon { background: var(--primary-bg); color: var(--primary); }
.stat-active .stat-icon { background: var(--success-light); color: var(--success); }
.stat-expiring .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-expired .stat-icon { background: var(--danger-light); color: var(--danger); }

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.1;
}

.stat-total .stat-number { color: var(--primary); }
.stat-active .stat-number { color: var(--success); }
.stat-expiring .stat-number { color: var(--warning); }
.stat-expired .stat-number { color: var(--danger); }

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== شريط الأدوات ===== */
.toolbar {
    padding: 0 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box i {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
}

.search-box input {
    width: 100%;
    padding: 13px 48px 13px 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Tajawal', sans-serif;
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.12);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-clear {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-hover);
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: var(--transition);
}

.search-clear:hover {
    background: var(--danger-light);
    color: var(--danger);
}

.toolbar-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: 'Tajawal', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

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

.filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn-add {
    padding: 10px 22px;
    border-radius: var(--radius-md);
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-family: 'Tajawal', sans-serif;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
    white-space: nowrap;
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
}

/* ===== قسم المشتركين ===== */
.subscribers-section {
    padding: 0 24px 24px;
}

.subscribers-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px;
}

.subscribers-header h2 {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.subscribers-header h2 span {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.sort-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sort-group label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
}

.sort-group select {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Tajawal', sans-serif;
    font-size: 13px;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}

.sort-group select:focus {
    border-color: var(--primary);
}

.subscribers-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ===== بطاقة المشترك ===== */
.subscriber-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 20px;
    transition: var(--transition);
    animation: fadeInUp 0.4s ease;
    position: relative;
    overflow: hidden;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.subscriber-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
}

.subscriber-card.status-active::after { background: var(--success); }
.subscriber-card.status-expiring::after { background: var(--warning); }
.subscriber-card.status-expired::after { background: var(--danger); }

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
}

.card-identity {
    display: flex;
    align-items: center;
    gap: 12px;
}

.card-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
}

.status-active .card-avatar { background: linear-gradient(135deg, var(--success), #34d399); }
.status-expiring .card-avatar { background: linear-gradient(135deg, var(--warning), #fbbf24); }
.status-expired .card-avatar { background: linear-gradient(135deg, var(--danger), #f87171); }

.card-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.card-location {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-location i {
    font-size: 11px;
    color: var(--text-muted);
}

.card-status-badge {
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.badge-active { background: var(--success-light); color: var(--success-dark); }
.badge-expiring { background: var(--warning-light); color: var(--warning-dark); animation: pulse 2s ease-in-out infinite; }
.badge-expired { background: var(--danger-light); color: var(--danger-dark); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.card-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
    padding: 14px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 4px;
}

.detail-label i {
    font-size: 10px;
}

.detail-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.detail-value.remaining-danger { color: var(--danger); font-weight: 800; }
.detail-value.remaining-warning { color: var(--warning); font-weight: 800; }
.detail-value.remaining-active { color: var(--success); }

.card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.card-btn {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    font-family: 'Tajawal', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.card-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #fff;
    border-color: var(--whatsapp);
}

.btn-whatsapp:hover {
    background: var(--whatsapp-dark);
    border-color: var(--whatsapp-dark);
}

.btn-copy {
    color: var(--primary);
    border-color: var(--primary-bg);
    background: var(--primary-bg);
}

.btn-copy:hover {
    background: var(--primary);
    color: #fff;
}

.btn-paid {
    background: var(--success-light);
    color: var(--success-dark);
    border-color: var(--success);
}

.btn-paid:hover {
    background: var(--success);
    color: #fff;
}

.btn-debt {
    background: var(--danger-light);
    color: var(--danger-dark);
    border-color: var(--danger);
}

.btn-debt:hover {
    background: var(--danger);
    color: #fff;
}

.btn-renew {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-renew:hover {
    background: var(--primary);
    color: #fff;
}

.btn-edit {
    color: var(--text-secondary);
}

.btn-edit:hover {
    background: var(--primary-bg);
    color: var(--primary);
    border-color: var(--primary);
}

.btn-delete {
    color: var(--text-secondary);
}

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

.btn-notes {
    color: var(--warning-dark);
    background: var(--warning-light);
    border-color: var(--warning);
}

.btn-notes:hover {
    background: var(--warning);
    color: #fff;
}

.card-actions-spacer {
    flex-grow: 1;
}

/* ===== الحالة الفارغة ===== */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 14px;
}

/* ===== المودال ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlide 0.3s ease;
}

.modal-small {
    max-width: 450px;
}

@keyframes modalSlide {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: var(--bg-card);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    z-index: 1;
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.modal-header-danger {
    background: var(--danger-light);
}

.modal-header-danger h2 {
    color: var(--danger-dark);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: none;
    background: var(--bg-hover);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

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

.modal-body {
    padding: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group label i {
    color: var(--primary);
    font-size: 13px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: 'Tajawal', sans-serif;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.btn-save {
    flex: 1;
    padding: 13px;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-family: 'Tajawal', sans-serif;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-save:hover {
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.3);
    transform: translateY(-1px);
}

.btn-cancel {
    padding: 13px 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: 'Tajawal', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-cancel:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
}

.btn-delete-confirm {
    flex: 1;
    padding: 13px;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--danger), #f87171);
    color: #fff;
    font-family: 'Tajawal', sans-serif;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-delete-confirm:hover {
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
}

.delete-confirm-text {
    text-align: center;
    padding: 20px 0;
}

.delete-confirm-text i {
    font-size: 48px;
    color: var(--danger);
    margin-bottom: 12px;
}

.delete-confirm-text p {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.delete-confirm-text span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== ملاحظات المشترك ===== */
.notes-sub-name {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 12px;
    text-align: center;
}

.notes-content {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 16px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-primary);
    min-height: 80px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 14px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    z-index: 2000;
    border: 1px solid var(--border-color);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.toast-success .toast-icon { color: var(--success); }
.toast.toast-error .toast-icon { color: var(--danger); }
.toast.toast-info .toast-icon { color: var(--primary); }
.toast.toast-warning .toast-icon { color: var(--warning); }

/* ===== ريسبونسف ===== */
@media (max-width: 900px) {
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 16px;
    }

    .stat-card {
        padding: 14px;
    }

    .stat-icon {
        width: 42px;
        height: 42px;
        font-size: 18px;
    }

    .stat-number {
        font-size: 22px;
    }

    .stat-label {
        font-size: 11px;
    }

    .top-bar {
        padding: 10px 16px;
    }

    .brand-text h1 {
        font-size: 16px;
    }

    .toolbar {
        padding: 0 16px 12px;
    }

    .toolbar-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        overflow-x: auto;
        padding-bottom: 4px;
        -webkit-overflow-scrolling: touch;
    }

    .filter-group::-webkit-scrollbar {
        display: none;
    }

    .btn-add {
        justify-content: center;
    }

    .subscribers-section {
        padding: 0 16px 16px;
    }

    .subscriber-card {
        padding: 16px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .card-details {
        grid-template-columns: 1fr 1fr;
    }

    .card-actions {
        flex-wrap: wrap;
    }

    .card-btn {
        font-size: 12px;
        padding: 7px 11px;
    }

    .login-card {
        padding: 32px 24px;
    }

    .login-logo h1 {
        font-size: 22px;
    }

    .logo-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }

    .modal-content {
        border-radius: var(--radius-lg);
        max-height: 95vh;
    }

    .modal-body {
        padding: 20px 16px;
    }

    .subscribers-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-actions {
        flex-direction: column-reverse;
    }
}

@media (max-width: 380px) {
    .stats-section {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .card-details {
        grid-template-columns: 1fr;
    }
}

/* ===== سكرول بار مخصص ===== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

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

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

/* ===== تأثيرات إضافية ===== */
.subscriber-card.highlight {
    animation: highlight-pulse 1s ease;
}

@keyframes highlight-pulse {
    0% { box-shadow: 0 0 0 0 rgba(26, 115, 232, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(26, 115, 232, 0); }
    100% { box-shadow: none; }
}