/* ==============================================
   COMMON COMPONENTS - Общие компоненты
   ============================================== */

/* Cards */
.modern-card {
    background: var(--background-secondary);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-primary);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.2),
        0 4px 12px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all var(--duration-300) ease;
    position: relative;
}

.modern-card:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 12px 36px rgba(0, 0, 0, 0.3),
        0 6px 18px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.modern-card-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--divider);
    background: rgba(44, 44, 46, 0.5);
}

.modern-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0 0 var(--space-1) 0;
}

.modern-card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

.modern-card-body {
    padding: var(--space-5);
}

.modern-card-footer {
    padding: var(--space-5);
    border-top: 1px solid var(--divider);
    background: rgba(44, 44, 46, 0.3);
}

/* Grid System */
.modern-grid {
    display: grid;
    gap: var(--space-5);
}

.modern-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.modern-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.modern-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.modern-grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Statistics */
.modern-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.modern-stat-card {
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    border: 1px solid var(--border-primary);
    transition: all var(--duration-300) ease;
    position: relative;
    overflow: hidden;
}

.modern-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--app-primary), var(--app-secondary));
}

.modern-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.modern-stat-icon {
    font-size: 24px;
    margin-bottom: var(--space-2);
}

.modern-stat-value {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0 0 var(--space-1) 0;
    line-height: 1;
}

.modern-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modern-stat-change {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--space-1);
}

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

.modern-stat-change.negative {
    color: var(--app-danger);
}

/* Lists */
.modern-list {
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    overflow: hidden;
}

.modern-list-item {
    padding: var(--space-4);
    border-bottom: 1px solid var(--divider);
    transition: all var(--duration-300) ease;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.modern-list-item:last-child {
    border-bottom: none;
}

.modern-list-item:hover {
    background: var(--background-tertiary);
}

.modern-list-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--app-primary), var(--app-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    flex-shrink: 0;
}

.modern-list-content {
    flex: 1;
    min-width: 0;
}

.modern-list-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0 0 var(--space-1) 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modern-list-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modern-list-actions {
    display: flex;
    gap: var(--space-2);
}

/* Badges */
.modern-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modern-badge-primary {
    background: var(--app-primary);
    color: white;
}

.modern-badge-success {
    background: var(--app-success);
    color: white;
}

.modern-badge-danger {
    background: var(--app-danger);
    color: white;
}

.modern-badge-warning {
    background: var(--app-warning);
    color: white;
}

.modern-badge-secondary {
    background: var(--background-quaternary);
    color: var(--text-primary);
}

/* Tabs */
.modern-tabs {
    display: flex;
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
    margin-bottom: var(--space-5);
    border: 1px solid var(--border-primary);
}

.modern-tab {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--duration-300) ease;
    text-align: center;
}

.modern-tab.active {
    background: var(--app-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

.modern-tab:hover:not(.active) {
    color: var(--text-primary);
    background: var(--background-tertiary);
}

/* Empty States */
.modern-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-10);
    min-height: 400px;
}

.modern-empty-icon {
    font-size: 64px;
    margin-bottom: var(--space-5);
    opacity: 0.8;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.modern-empty-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0 0 var(--space-3) 0;
    background: linear-gradient(135deg, var(--app-primary), var(--app-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modern-empty-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    margin: 0 0 var(--space-6) 0;
    line-height: var(--line-height-normal);
    max-width: 400px;
}

.modern-empty-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
}

/* Indicators */
.message-type-indicator {
    display: inline-block;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.message-type-indicator.sms {
    background: var(--success-500);
    color: white;
}

.message-type-indicator.mms {
    background: var(--warning-500);
    color: white;
}

/* Counters */
.recipient-counter {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    display: inline-block;
}

.recipient-counter.success {
    background: #f0f9f4;
    color: #059669;
}

.recipient-counter.warning {
    background: #fef3c7;
    color: #d97706;
}

.recipient-counter.error {
    background: #fef2f2;
    color: #dc2626;
}

.char-counter {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-muted);
}

.char-counter.warning {
    color: var(--warning-500);
}

.char-counter.error {
    color: var(--error-500);
}

/* Loading States */
.modern-loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.modern-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--app-primary);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin var(--duration-1000) linear infinite;
}

/* Success/Error States */
.modern-success {
    border-color: var(--success-500) !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

.modern-error {
    border-color: var(--error-500) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* Utility Classes */
.modern-text-center { text-align: center; }
.modern-text-left { text-align: left; }
.modern-text-right { text-align: right; }

.modern-mb-sm { margin-bottom: var(--space-2); }
.modern-mb-md { margin-bottom: var(--space-3); }
.modern-mb-lg { margin-bottom: var(--space-4); }
.modern-mb-xl { margin-bottom: var(--space-5); }

.modern-mt-sm { margin-top: var(--space-2); }
.modern-mt-md { margin-top: var(--space-3); }
.modern-mt-lg { margin-top: var(--space-4); }
.modern-mt-xl { margin-top: var(--space-5); }

.modern-p-sm { padding: var(--space-2); }
.modern-p-md { padding: var(--space-3); }
.modern-p-lg { padding: var(--space-4); }
.modern-p-xl { padding: var(--space-5); }

.modern-flex { display: flex; }
.modern-flex-col { flex-direction: column; }
.modern-flex-wrap { flex-wrap: wrap; }
.modern-justify-center { justify-content: center; }
.modern-justify-between { justify-content: space-between; }
.modern-items-center { align-items: center; }
.modern-gap-sm { gap: var(--space-2); }
.modern-gap-md { gap: var(--space-3); }
.modern-gap-lg { gap: var(--space-4); }

.modern-w-full { width: 100%; }
.modern-h-full { height: 100%; }

.modern-overflow-hidden { overflow: hidden; }
.modern-overflow-auto { overflow: auto; }

/* Responsive Design */
@media (max-width: 768px) {
    .modern-grid-2,
    .modern-grid-3,
    .modern-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .modern-stats {
        grid-template-columns: 1fr;
    }
    
    .modern-tabs {
        flex-direction: column;
    }
    
    .modern-empty-actions {
        flex-direction: column;
        align-items: center;
    }
}