/**
 * SAW Admin - Sidebar Header (Modern Redesign)
 * 
 * Clean dark header with blue accents and smooth hover effects
 *
 * @package SAW_Visitors
 * @version 4.0.0 - REDESIGN: Modern dark header, SVG icons
 */

.sa-sidebar-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: var(--saw-space-2, 8px);
    padding: var(--saw-space-3, 12px) var(--saw-space-4, 16px);
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%) !important;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    flex-shrink: 0 !important;
    flex-grow: 0 !important;
    min-height: 61px;
    height: 61px;
    color: #ffffff;
}

/* Title area */
.sa-sidebar-title {
    display: flex !important;
    align-items: center !important;
    gap: var(--saw-space-3, 12px);
    flex: 1 1 auto !important;
    min-width: 0 !important;
    max-width: calc(100% - 120px) !important;
    order: 1 !important;
    overflow: hidden !important;
}

/* Icon container */
.sa-sidebar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--saw-brand-500, #3b82f6) 0%, var(--saw-brand-600, #2563eb) 100%);
    border-radius: var(--saw-radius-md, 6px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
    transition: all 0.2s ease;
}

.sa-sidebar-icon svg {
    width: 20px;
    height: 20px;
    color: #ffffff;
}

.sa-sidebar-icon:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.sa-sidebar-title-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.sa-sidebar-module-name {
    font-size: 10px;
    font-weight: var(--saw-font-semibold, 600);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--saw-brand-300, #93c5fd);
    line-height: 1.2;
}

.sa-sidebar-heading {
    margin: 0;
    font-size: var(--saw-text-base, 1rem);
    font-weight: var(--saw-font-semibold, 600);
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

/* Navigation controls */
.sa-sidebar--active .sa-sidebar-nav,
.sa-sidebar[data-mode="detail"] .sa-sidebar-nav,
.sa-sidebar[data-mode="edit"] .sa-sidebar-nav,
.sa-sidebar[data-mode="create"] .sa-sidebar-nav {
    display: flex !important;
    align-items: center !important;
    flex-direction: row !important;
    gap: var(--saw-space-2, 8px);
    margin-left: auto !important;
    flex: 0 0 auto !important;
    order: 2 !important;
}

.sa-sidebar-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--saw-radius-md, 6px);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.2s ease;
}

.sa-sidebar-nav-btn svg {
    width: 16px;
    height: 16px;
}

.sa-sidebar-nav-btn:hover {
    background: rgba(59, 130, 246, 0.3);
    border-color: rgba(59, 130, 246, 0.5);
    color: #ffffff;
    transform: scale(1.05);
}

.sa-sidebar-nav-btn:active {
    transform: scale(0.95);
}

.sa-sidebar-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

/* Close button */
.sa-sidebar-close {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: rgba(239, 68, 68, 0.15) !important;
    border: 1px solid rgba(239, 68, 68, 0.3) !important;
    border-radius: var(--saw-radius-md, 6px);
    color: #ffffff !important;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    margin-left: var(--saw-space-1, 4px);
}

.sa-sidebar-close svg {
    width: 18px;
    height: 18px;
}

.sa-sidebar-close:hover {
    background: var(--saw-danger, #ef4444) !important;
    border-color: var(--saw-danger, #ef4444) !important;
    color: #ffffff !important;
    transform: scale(1.05);
}

.sa-sidebar-close:active {
    transform: scale(0.95);
}

/* When nav has only close button (no prev/next), push it to the right */
.sa-sidebar[data-mode="create"] .sa-sidebar-nav,
.sa-sidebar[data-mode="edit"] .sa-sidebar-nav {
    margin-left: auto !important;
}

.sa-sidebar[data-mode="create"] .sa-sidebar-nav .sa-sidebar-close,
.sa-sidebar[data-mode="edit"] .sa-sidebar-nav .sa-sidebar-close {
    margin-left: 0;
}

/* ============================================
   FAB CONTAINER (Floating Action Buttons)
   ============================================ */

.sa-sidebar-fab-container {
    position: absolute;
    bottom: var(--saw-space-4, 16px);
    right: var(--saw-space-4, 16px);
    display: flex;
    flex-direction: column;
    gap: var(--saw-space-3, 12px);
    z-index: 100;
}

.sa-sidebar-fab {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-decoration: none;
}

.sa-sidebar-fab svg {
    width: 22px;
    height: 22px;
}

.sa-sidebar-fab--edit {
    background: linear-gradient(135deg, var(--saw-brand-500, #3b82f6) 0%, var(--saw-brand-600, #2563eb) 100%);
    color: #ffffff;
}

.sa-sidebar-fab--edit:hover {
    background: linear-gradient(135deg, var(--saw-brand-600, #2563eb) 0%, var(--saw-brand-700, #1d4ed8) 100%);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.sa-sidebar-fab--delete {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #ffffff;
}

.sa-sidebar-fab--delete:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.sa-sidebar-fab:active {
    transform: scale(0.95);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .sa-sidebar-header {
        padding: var(--saw-space-2, 8px) var(--saw-space-3, 12px);
        min-height: 56px;
    }

    .sa-sidebar-icon {
        width: 32px;
        height: 32px;
    }

    .sa-sidebar-icon svg {
        width: 18px;
        height: 18px;
    }

    .sa-sidebar-nav-btn,
    .sa-sidebar-close {
        width: 28px;
        height: 28px;
    }

    .sa-sidebar-fab-container {
        bottom: var(--saw-space-3, 12px);
        right: var(--saw-space-3, 12px);
    }

    .sa-sidebar-fab {
        width: 44px;
        height: 44px;
    }
}