/**
 * Icon Helper Classes
 * Nützliche Klassen für Icon-Verwendung
 */

/* ============================================
   ICON SIZES
   ============================================ */

.icon-xs {
    font-size: 12px;
    width: 12px;
    height: 12px;
}

.icon-sm {
    font-size: 16px;
    width: 16px;
    height: 16px;
}

.icon-md {
    font-size: 20px;
    width: 20px;
    height: 20px;
}

.icon-lg {
    font-size: 24px;
    width: 24px;
    height: 24px;
}

.icon-xl {
    font-size: 32px;
    width: 32px;
    height: 32px;
}

.icon-xxl {
    font-size: 48px;
    width: 48px;
    height: 48px;
}

/* ============================================
   ICON COLORS
   ============================================ */

.icon-primary { color: var(--primary) !important; }
.icon-success { color: var(--success) !important; }
.icon-danger { color: var(--danger) !important; }
.icon-warning { color: var(--warning) !important; }
.icon-info { color: var(--info) !important; }
.icon-muted { color: var(--text-muted) !important; }

/* ============================================
   ICON BUTTONS
   ============================================ */

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.icon-btn-sm {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-sm);
}

.icon-btn-lg {
    width: 44px;
    height: 44px;
    font-size: var(--font-size-lg);
}

/* ============================================
   ICON CIRCLES
   ============================================ */

.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-hover);
    color: var(--text-primary);
}

.icon-circle-sm {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
}

.icon-circle-lg {
    width: 56px;
    height: 56px;
    font-size: var(--font-size-xl);
}

.icon-circle-primary {
    background: var(--primary);
    color: white;
}

.icon-circle-success {
    background: var(--success);
    color: white;
}

.icon-circle-danger {
    background: var(--danger);
    color: white;
}

.icon-circle-warning {
    background: var(--warning);
    color: #000;
}

.icon-circle-info {
    background: var(--info);
    color: white;
}

/* ============================================
   ICON WITH TEXT
   ============================================ */

.icon-text {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.icon-text i {
    flex-shrink: 0;
}

/* ============================================
   SPINNING ICONS (für Loading)
   ============================================ */

.icon-spin {
    animation: icon-spin 1s linear infinite;
}

@keyframes icon-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   ICON BADGE (mit Notification Badge)
   ============================================ */

.icon-badge {
    position: relative;
    display: inline-block;
}

.icon-badge::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--surface);
}

.icon-badge-count {
    position: relative;
    display: inline-block;
}

.icon-badge-count::after {
    content: attr(data-count);
    position: absolute;
    top: -4px;
    right: -8px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: var(--font-weight-semibold);
    border-radius: 9px;
    border: 2px solid var(--surface);
}

/* ============================================
   ICON GROUPS
   ============================================ */

.icon-group {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.icon-group-stacked {
    display: inline-flex;
    align-items: center;
}

.icon-group-stacked > * {
    margin-left: -8px;
}

.icon-group-stacked > *:first-child {
    margin-left: 0;
}

/* ============================================
   STATUS ICONS
   ============================================ */

.status-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 4px 8px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.status-icon-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.status-icon-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger);
}

.status-icon-warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning);
}

.status-icon-info {
    background: rgba(23, 162, 184, 0.1);
    color: var(--info);
}

/* Dark Mode Anpassungen */
[data-theme="dark"] .status-icon-success {
    background: rgba(40, 167, 69, 0.2);
}

[data-theme="dark"] .status-icon-danger {
    background: rgba(220, 53, 69, 0.2);
}

[data-theme="dark"] .status-icon-warning {
    background: rgba(255, 193, 7, 0.2);
}

[data-theme="dark"] .status-icon-info {
    background: rgba(23, 162, 184, 0.2);
}

/* ============================================
   USAGE EXAMPLES
   ============================================ */

/*

<!-- Icon Sizes -->
<i class="nc-icon nc-single-02 icon-sm"></i>
<i class="nc-icon nc-single-02 icon-md"></i>
<i class="nc-icon nc-single-02 icon-lg"></i>

<!-- Icon Colors -->
<i class="nc-icon nc-single-02 icon-primary"></i>
<i class="nc-icon nc-check-2 icon-success"></i>
<i class="nc-icon nc-simple-remove icon-danger"></i>

<!-- Icon Button -->
<button class="icon-btn">
    <i class="nc-icon nc-settings"></i>
</button>

<!-- Icon Circle -->
<div class="icon-circle icon-circle-primary">
    <i class="nc-icon nc-email-85"></i>
</div>

<!-- Icon with Text -->
<span class="icon-text">
    <i class="nc-icon nc-email-85"></i>
    E-Mail senden
</span>

<!-- Spinning Icon -->
<i class="nc-icon nc-refresh-69 icon-spin"></i>

<!-- Icon with Badge -->
<span class="icon-badge">
    <i class="nc-icon nc-bell-55"></i>
</span>

<!-- Icon with Count Badge -->
<span class="icon-badge-count" data-count="3">
    <i class="nc-icon nc-email-85"></i>
</span>

<!-- Status Icon -->
<span class="status-icon status-icon-success">
    <i class="nc-icon nc-check-2"></i>
    Aktiv
</span>

*/