/* css/global.css */

/* Global Color Palette (Light Theme) */
:root {
    --primary: #9E7FFF;
    --secondary: #38bdf8;
    --accent: #f472b6;

    --background: #F9FAFB; /* Very light gray */
    --surface: #FFFFFF;   /* Pure white for containers */
    --text: #1F2937;      /* Dark charcoal for main text */
    --text-secondary: #6B7280; /* Medium gray for labels/secondary text */
    --border: #E5E7EB;    /* Light gray for borders */

    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Global Border Radii */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px; /* Consistent with modern design and attendance_report.css */

    /* Global Shadow Elevations */
    --shadow-elevation-1: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-elevation-2: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Base Body Styles */
body {
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    margin: 0;
    padding: 0; /* No global body padding, containers will manage their own */
    padding-top: 70px; /* Account for fixed navigation */
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    display: flex;
    justify-content: center; /* This centers the main content block */
    min-height: 100vh;
    box-sizing: border-box;
}

/* Navigation Styles */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-elevation-1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 70px;
}

.nav-brand a {
    text-decoration: none;
    color: var(--primary);
}

.nav-brand h2 {
    margin: 0;
    font-size: 1.5em;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
    justify-content: space-between;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 10px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
}

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

.nav-icon {
    font-size: 16px;
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-elevation-2);
    min-width: 200px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    list-style: none;
    margin: 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    text-decoration: none;
    color: var(--text);
    transition: background-color 0.2s ease;
}

.dropdown-menu a:hover {
    background-color: var(--background);
    color: var(--primary);
}

/* Nested Submenu Styles */
.submenu-item {
    position: relative;
}

.submenu-dropdown {
    position: absolute;
    top: 0;
    left: 100%;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-elevation-2);
    min-width: 180px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    z-index: 1002;
    list-style: none;
    margin: 0;
}

.submenu-item:hover .submenu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.submenu-dropdown li {
    margin: 0;
}

.submenu-dropdown a {
    display: block;
    padding: 8px 16px;
    text-decoration: none;
    color: var(--text);
    transition: background-color 0.2s ease;
    font-size: 0.9em;
}

.submenu-dropdown a:hover {
    background-color: var(--background);
    color: var(--primary);
}

.submenu-toggle {
    position: relative;
}

.submenu-toggle:after {
    content: '▶';
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7em;
    color: var(--text-secondary);
}

/* User Section */
.nav-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-name {
    font-weight: 600;
    color: var(--text);
    font-size: 0.9em;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    text-decoration: none;
    color: var(--error);
    font-weight: 500;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.logout-btn:hover {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--error);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 16px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--surface);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        gap: 0;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 15px 0;
        border-bottom: 1px solid var(--border);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 20px;
        background-color: var(--background);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown.active .dropdown-menu {
        max-height: 200px;
    }
    
    .nav-user {
        width: 100%;
        justify-content: space-between;
        padding-top: 20px;
        border-top: 1px solid var(--border);
        margin-top: 20px;
    }
    
    body {
        padding-top: 70px;
    }
}

/* General Container Styling */
.container {
    width: 100%;
    max-width: 960px; /* Default max-width */
    margin: 40px auto; /* Default margin to center and provide space */
    background-color: var(--surface);
    padding: 30px; /* Default padding for containers */
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-elevation-2);
    border: 1px solid var(--border);
    box-sizing: border-box;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--text); /* Use text color for general headings in light theme */
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 16px;
}

h1 { font-size: 2.5em; }
h2 { font-size: 2em; }
h3 { font-size: 1.75em; }

/* Card Component */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-elevation-2);
}

/* General Table Styling */
.data-table, .leave-balance-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 0;
    font-family: 'Inter', sans-serif;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}
.data-table th, .leave-balance-table th,
.data-table td, .leave-balance-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.data-table th, .leave-balance-table th {
    background-color: var(--background); /* Use background for table header */
    color: var(--text);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85em;
    position: sticky;
    top: 0;
    z-index: 1;
}
.data-table tbody tr, .leave-balance-table tbody tr {
    background-color: var(--surface);
    color: var(--text-secondary);
    transition: background-color 0.3s ease;
}
.data-table tbody tr:hover, .leave-balance-table tbody tr:hover {
    background-color: var(--background);
}

/* General Form Element Styling */
.form-row { /* Added for consistent row layout */
    display: flex;
    flex-wrap: wrap;
    gap: 20px; /* Spacing between form groups in a row */
    margin-bottom: 16px; /* Space below the row */
}

.form-group {
    flex: 1; /* Allows form groups to grow and shrink */
    min-width: 280px; /* Ensures they don't get too small before wrapping */
    margin-bottom: 0; /* Remove individual margin-bottom as form-row handles spacing */
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}
.form-group input[type="date"],
.form-group input[type="number"],
.form-group input[type="text"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    background-color: var(--surface); /* Changed from var(--background) to var(--surface) */
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 1em;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-group input[type="date"]:focus,
.form-group input[type="number"]:focus,
.form-group input[type="text"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(158, 127, 255, 0.3); /* Primary color with transparency */
}
.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* General Button Styling */
.btn-primary, a.btn-primary, .btn-submit { /* Added .btn-submit here */
    background-color: var(--primary);
    color: #FFFFFF; /* White text on primary button */
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    width: auto;
    display: inline-block;
    text-decoration: none;
    box-shadow: var(--shadow-elevation-1);
    margin-top: 20px; /* Added margin-top for separation from file input */
}
.btn-primary:hover, a.btn-primary:hover, .btn-submit:hover { /* Added .btn-submit here */
    background-color: #5A4BBA; /* Slightly darker primary */
    transform: translateY(-1px);
    box-shadow: var(--shadow-elevation-2);
}
.btn-primary:active, a.btn-primary:active, .btn-submit:active { /* Added .btn-submit here */
    transform: translateY(0);
    box-shadow: var(--shadow-elevation-1);
}

/* Flash Messages & Notices */
.flash-message {
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    margin-bottom: 24px;
    font-weight: 500;
    text-align: center;
    /* Base styles for all flash messages */
    background-color: rgba(158, 127, 255, 0.1); /* Light primary background */
    color: var(--primary);
    border: 1px solid var(--primary);
}
.flash-message.success {
    background-color: rgba(16, 185, 129, 0.1); /* Lighter success background */
    color: var(--success);
    border: 1px solid var(--success);
}
.flash-message.error {
    background-color: rgba(239, 68, 68, 0.1); /* Lighter error background */
    color: var(--error);
    border: 1px solid var(--error);
}
.flash-message.notice { /* New style for informational messages */
    background-color: rgba(56, 189, 248, 0.1); /* Lighter secondary background */
    color: var(--secondary);
    border: 1px solid var(--secondary);
}
.flash-message.error ul {
    margin: 8px 0 0 20px;
    padding: 0;
}
.flash-message.error li {
    margin-bottom: 4px;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: var(--border-radius-md);
    font-size: 0.85em;
    font-weight: 600;
    text-transform: capitalize;
    color: #FFFFFF; /* White text for badges */
    text-align: center;
}
.status-badge.pending  { background-color: var(--warning); }
.status-badge.approved { background-color: var(--success); }
.status-badge.rejected { background-color: var(--error); }
.status-badge.cancelled { background-color: var(--text-secondary); }

/* Responsive adjustments (Common) */
@media (max-width: 768px) {
    body {
        padding: 16px;
    }
    .container {
        padding: 16px;
    }
    .card {
        padding: 16px;
    }
    h1 { font-size: 2em; }
    h2 { font-size: 1.5em; }
    h3 { font-size: 1.2em; }

    /* General table responsive behavior */
    .data-table th, .leave-balance-table th,
    .data-table td, .leave-balance-table td {
        padding: 8px 10px;
        font-size: 0.9em;
    }
    .data-table thead, .leave-balance-table thead {
        display: none; /* Hide header on small screens */
    }
    .data-table tbody, .data-table tr, .data-table td,
    .leave-balance-table tbody, .leave-balance-table tr, .leave-balance-table td {
        display: block;
        width: 100%;
    }
    .data-table tr, .leave-balance-table tr {
        margin-bottom: 16px;
        border: 1px solid var(--border);
        border-radius: var(--border-radius-md);
        overflow: hidden;
    }
    .data-table td, .leave-balance-table td {
        text-align: right !important;
        padding-left: 50%;
        position: relative;
        border: none;
    }
    .data-table td::before, .leave-balance-table td::before {
        content: attr(data-label);
        position: absolute;
        left: 10px;
        width: calc(50% - 20px);
        text-align: left;
        font-weight: 600;
        color: var(--text);
    }
}