/* ===================================
   Preclinic Layout Styles
   =================================== */

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #f8fafc;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    --bg-dark: #0f172a;
    /* Dimensions */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 60px;
    --header-height: 70px;
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    /* Transitions */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    /*Table*/
  
}

/* ===================================
   Global Styles
   =================================== */

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}
.table-primary {
    --bs-table-bg: #2563eb;
    --bs-table-striped-bg: #2563eb;
    --bs-table-hover-bg: #2563eb;
    --bs-table-color: #fff;
    color: var(--bs-table-color);
    background-color: var(--bs-table-bg);
}

/* ===================================
   Header Styles
   =================================== */

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    z-index: 1050;
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--spacing-lg);
}

.sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-right: var(--spacing-md);
}

    .sidebar-toggle:hover {
        background: rgba(255, 255, 255, 0.2);
        transform: translateY(-1px);
    }

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

.brand-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(45deg, #ffffff, #e0f2fe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.brand-subtitle {
    font-size: 12px;
    opacity: 0.8;
    font-weight: 400;
    margin-top: -2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.notification-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition-fast);
}

    .notification-btn:hover {
        background: rgba(255, 255, 255, 0.2);
    }

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--error-color);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
}

    .user-menu:hover {
        background: rgba(255, 255, 255, 0.15);
    }

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    font-size: 24px;
    color: var(--text-white);
}

.user-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
}

.user-role {
    font-size: 11px;
    opacity: 0.8;
    line-height: 1.2;
}

.user-menu-toggle {
    background: none;
    border: none;
    color: var(--text-white);
    font-size: 12px;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition-fast);
}

    .user-menu-toggle:hover {
        opacity: 1;
    }

/* ===================================
   Sidebar Styles
   =================================== */

.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transform: translateX(0);
    transition: var(--transition-normal);
    overflow: hidden;
}

    .sidebar.collapsed {
        transform: translateX(-100%);
    }

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--bg-tertiary);
    display: none; /* Hidden by default, shown on mobile */
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-xl);
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin: 0 var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
    font-weight: 500;
    position: relative;
    margin-bottom: var(--spacing-xs);
}

    .nav-link:hover {
        background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
        color: var(--text-white);
        transform: translateX(4px);
        box-shadow: var(--shadow-md);
    }

    .nav-link.active {
        background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
        color: var(--text-white);
        box-shadow: var(--shadow-md);
    }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--accent-color);
            border-radius: 0 4px 4px 0;
        }

    .nav-link i {
        width: 20px;
        text-align: center;
        margin-right: var(--spacing-md);
        font-size: 16px;
        flex-shrink: 0;
    }

.nav-text {
    flex: 1;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--bg-tertiary);
}

.logout-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

    .logout-btn:hover {
        background: var(--error-color);
        border-color: var(--error-color);
        color: var(--text-white);
    }

    .logout-btn i {
        width: 20px;
        text-align: center;
        margin-right: var(--spacing-md);
    }

/* ===================================
   Main Content Styles
   =================================== */

.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
    transition: var(--transition-normal);
}

    .main-content.expanded {
        margin-left: 0;
    }

.content-wrapper {
    padding: var(--spacing-xl);
    max-width: 100%;
}

/* ===================================
   Overlay Styles
   =================================== */

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1030;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    backdrop-filter: blur(2px);
}

    .sidebar-overlay.show {
        opacity: 1;
        visibility: visible;
    }

/* ===================================
   Custom Scrollbar
   =================================== */

.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

    .sidebar-nav::-webkit-scrollbar-thumb:hover {
        background: var(--text-muted);
    }

/* ===================================
   Responsive Styles
   =================================== */

/* Tablet Styles */
@media (max-width: 1024px) {
    .content-wrapper {
        padding: var(--spacing-lg);
    }

    .brand-subtitle {
        display: none;
    }
}

/* Mobile Landscape */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 300px;
    }

    .header-content {
        padding: 0 var(--spacing-md);
    }

    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }

        .sidebar.show {
            transform: translateX(0);
        }

    .sidebar-header {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .content-wrapper {
        padding: var(--spacing-md);
    }

    .user-details {
        display: none !important;
    }

    .notification-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .user-menu {
        padding: var(--spacing-xs) var(--spacing-md);
    }
}

/* Mobile Portrait */
@media (max-width: 576px) {
    :root {
        --sidebar-width: 280px;
        --header-height: 60px;
    }

    .header-content {
        padding: 0 var(--spacing-sm);
    }

    .brand-title {
        font-size: 20px;
    }

    .sidebar-toggle {
        width: 40px;
        height: 40px;
        font-size: 16px;
        margin-right: var(--spacing-sm);
    }

    .content-wrapper {
        padding: var(--spacing-sm);
    }

    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .nav-section-title {
        padding: 0 var(--spacing-md);
    }

    .notification-btn {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .notification-badge {
        font-size: 9px;
        padding: 1px 4px;
        min-width: 16px;
    }

    .user-avatar {
        font-size: 20px;
    }

    .header-actions {
        gap: var(--spacing-sm);
    }
}

/* Extra Small Mobile */
@media (max-width: 480px) {
    .brand-title {
        font-size: 18px;
    }

    .sidebar-toggle {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .content-wrapper {
        padding: var(--spacing-sm);
    }
}

/* ===================================
   Utility Classes
   =================================== */

.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

@media (min-width: 768px) {
    .d-md-block {
        display: block !important;
    }

    .d-md-flex {
        display: flex !important;
    }

    .d-md-none {
        display: none !important;
    }
}

/* ===================================
   Focus Styles for Accessibility
   =================================== */

.sidebar-toggle:focus,
.nav-link:focus,
.notification-btn:focus,
.user-menu:focus,
.logout-btn:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    .main-header,
    .sidebar {
        display: none !important;
    }

    .main-content {
        margin: 0 !important;
    }

    .content-wrapper {
        padding: 0 !important;
    }
}