/* ==========================================================================
   MANAGER DESKTOP UI - MODERN DASHBOARD THEME
   ========================================================================== */

/* --- 1. LAYOUT STRUCTURE --- */
:root {
    --sidebar-width: 260px;
    --header-height: 70px;
    --bg-body: #f4f6f9;
    --bg-sidebar: #ffffff;
    --bg-header: #ffffff;
    --text-primary: #333;
    --text-secondary: #6c757d;
    --color-primary: #007bff;
    --color-primary-light: #e3f2fd;
    --border-color: #e9ecef;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.04);
}

/* DARK MODE VARIABLES Override */
body.dark-mode {
    --bg-body: #121212;
    --bg-sidebar: #1e1e1e;
    --bg-header: #1e1e1e;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #333;
    --color-primary-light: #2c3e50; /* Darker blue tint for active items */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
}

body {
    background-color: var(--bg-body);
    overflow-x: hidden; /* Prevent horizontal scroll */
    max-width: 100% !important; /* Override global max-width */
    margin: 0 !important; /* Reset margin */
    padding: 0 !important; /* Reset padding */
    color: var(--text-primary); /* Ensure text color inheritance */
}

.app-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* --- 2. SIDEBAR --- */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    /* Safe Area for Mobile App */
    padding-top: env(safe-area-inset-top);
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    height: 32px;
    width: auto;
    margin-right: 10px;
}

.sidebar-brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

/* Sidebar Dark Mode Specifics */
body.dark-mode .sidebar-brand-text {
    color: #90caf9; /* Lighter blue for dark mode */
}

/* New User Section in Sidebar */
.sidebar-user-section {
    padding: 20px 24px; /* Matches header padding */
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(0,0,0,0.02); /* Slight grey bg */
}

body.dark-mode .sidebar-user-section {
    background-color: rgba(255,255,255,0.05); 
}

.sidebar-menu {
    flex: 1;
    padding: 20px 12px;
    overflow-y: auto;
}

.menu-category {
    font-size: 11px;
    text-transform: uppercase;
    color: #adb5bd;
    font-weight: 700;
    margin: 15px 12px 8px;
    letter-spacing: 0.5px;
}

body.dark-mode .menu-category {
    color: #6c757d;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary) !important; /* Force override */
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-weight: 500;
    margin-bottom: 4px;
    cursor: pointer;
    border: none !important;
    background: none !important; /* Force override global button style */
    width: 100%;
    text-align: left;
    font-size: 15px;
    box-shadow: none !important; /* Remove global button shadow */
}

.nav-link i {
    width: 24px;
    font-size: 18px;
    margin-right: 10px;
    text-align: center;
    color: #aeb9cc;
    transition: color 0.2s;
}

.nav-link:hover {
    background-color: #f8f9fa !important;
    color: var(--color-primary) !important;
    transform: none !important; /* Disable global button transform */
}

/* Nav Link Dark Mode Overrides */
body.dark-mode .nav-link:hover {
    background-color: #333 !important;
    color: #90caf9 !important;
}

.nav-link:hover i {
    color: var(--color-primary);
}

body.dark-mode .nav-link:hover i {
    color: #90caf9;
}

.nav-link.active {
    background-color: var(--color-primary-light) !important;
    color: var(--color-primary) !important;
    font-weight: 600;
}

/* Nav Link Active Dark Mode Overrides */
body.dark-mode .nav-link.active {
    /* bg defined in variable above */
    color: #90caf9 !important;
}

.nav-link.active i {
    color: var(--color-primary);
}

body.dark-mode .nav-link.active i {
    color: #90caf9;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

/* --- 3. MAIN CONTENT --- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0; /* Fix flex child overflow */
}

.top-header {
    height: calc(var(--header-height) + env(safe-area-inset-top));
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: env(safe-area-inset-top) 30px 0;
    position: sticky;
    top: 0;
    z-index: 900;
}

.header-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-icon-only {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color) !important; /* Force override */
    background: white !important; /* Force override */
    color: var(--text-secondary) !important;
    cursor: pointer;
    transition: all 0.2s;
    padding: 0 !important; /* Reset padding */
}

/* Dark Mode Button Icon Only */
body.dark-mode .btn-icon-only {
    background: #2a2a2a !important;
    border-color: #444 !important;
    color: #e0e0e0 !important;
}

.btn-icon-only:hover {
    background-color: #f8f9fa !important;
    color: var(--color-primary) !important;
}

body.dark-mode .btn-icon-only:hover {
    background-color: #333 !important;
    color: #90caf9 !important;
}

/* Fix Dark Mode Toggle conflict from styles.css */
#darkModeToggle::before {
    content: "" !important;
    display: none !important;
}

.content-body {
    padding: 30px;
}

/* --- 4. VIEW CONTAINERS & CARDS --- */
.view-section {
    display: none; /* Hidden by default */
    animation: fadeIn 0.3s ease-out;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Override .form-section from styles.css to look like Cards */
.form-section {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.05); /* Very subtle border */
    box-shadow: var(--shadow-md);
    padding: 24px;
    margin-bottom: 24px;
}

body.dark-mode .form-section {
    background: #1e1e1e;
    border-color: #333;
}

/* Remove old toggle header styles for desktop view */
.toggle-header:not(.collapsible) {
    background: none !important;
    color: var(--text-primary) !important;
    padding: 0 !important;
    margin: 0 0 20px 0 !important;
    cursor: default !important;
    pointer-events: none;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px !important;
    border-radius: 0 !important;
}

.toggle-header:not(.collapsible)::after {
    display: none !important;
}

.toggle-content:not(.collapsible-content) {
    display: block !important; /* Always show content in card unless collapsible */
}

/* Collapsible Toggle Styles */
.toggle-header.collapsible {
    cursor: pointer !important;
    pointer-events: auto !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-primary) !important; /* Blue background */
    color: white !important;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.toggle-header.collapsible::after {
    content: '\f078'; /* FA Chevron Down */
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    transition: transform 0.3s;
}

.toggle-header.collapsible.active::after {
    transform: rotate(180deg);
}

.toggle-content.collapsible-content {
    display: none; /* Initially hidden, controlled by JS slideToggle */
}

.toggle-section {
    /* Make section behave like a normal block */
}

/* --- 5. RESPONSIVE (MOBILE) --- */
.mobile-menu-toggle {
    display: none;
}

@media (max-width: 1024px) {
    :root {
        --sidebar-width: 0px; /* Hide sidebar initially */
    }

    .sidebar {
        transform: translateX(-100%);
        width: 260px;
    }

    .sidebar.show {
        transform: translateX(0);
        box-shadow: 0 0 15px rgba(0,0,0,0.1);
    }

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

    .mobile-menu-toggle {
        display: flex;
        margin-right: 15px;
    }

    /* Overlay when sidebar is open */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    
    .sidebar-overlay.show {
        display: block;
    }
}

/* --- 6. MOBILE SPECIFIC OPTIMIZATIONS --- */
@media (max-width: 768px) {
    .content-body {
        padding: 10px; /* Reduce padding significantly on mobile */
    }

    .form-section {
        padding: 15px; /* Reduce card padding */
        margin-bottom: 15px;
        border-radius: 8px;
    }

    .top-header {
        padding: 0 15px; /* Align header padding with content */
    }
}

/* --- 7. TRANSACTION BADGES (NEW) --- */
.badge-type {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
}

.badge-borrow {
    background-color: #e3f2fd; /* Light Blue */
    color: #0d47a1; /* Dark Blue */
    border: 1px solid #bbdefb;
}

.badge-return {
    background-color: #e8f5e9; /* Light Green */
    color: #1b5e20; /* Dark Green */
    border: 1px solid #c8e6c9;
}

/* Dark Mode support for Badges */
body.dark-mode .badge-borrow {
    background-color: #1a237e;
    color: #bbdefb;
    border-color: #283593;
}

body.dark-mode .badge-return {
    background-color: #1b5e20;
    color: #c8e6c9;
    border-color: #2e7d32;
}