/* ==================== Global CSS Variables ==================== */
:root {
    /* Colors */
    --color-primary-dark: #174a73;        /* Theme blue for navbar and key headings */
    --color-primary-medium: #9fd0ff;     /* Slightly darker than the light blue page */
    --color-primary-light: #eaf5ff;      /* Light blue page background */
    --color-table-header: #1f5f93;       /* Darker blue for table headings */
    --color-bg-white: #ffffff;
    --global-bg-color: var(--color-primary-light); /* Common background variable */
    --color-bg-light-gray: #f8fafc;
    --color-text-primary: #333333;
    --color-text-secondary: #666666;
    --theme-page-bg: #eaf5ff;
    --theme-surface: #ffffff;
    --theme-heading: #174a73;
    --theme-muted: #64748b;
    --theme-button-bg: #f7fbff;
    --theme-button-border: #b9d7ef;
    --theme-button-hover-bg: #d7ecff;
    --theme-button-hover-border: #8ec5f4;
    --theme-primary-bg: #9fd0ff;
    --theme-primary-hover-bg: #78bdec;
    --theme-primary-border: #78bdec;
    --theme-primary-text: #123a5a;
    
    /* Status Colors */
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #4f9bd3;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ==================== Unified Dashboard Theme Overrides ==================== */
/* Keep page layouts intact while matching the dashboard sidebar/button color language. */
.sidebar,
.report-sidebar,
.panel-sidebar {
    background: var(--theme-page-bg) !important;
    color: var(--theme-heading) !important;
    border-color: var(--theme-button-border) !important;
    box-shadow: 2px 0 5px rgba(31,95,147,0.06) !important;
}

.sidebar-title,
.sidebar-section h3,
.panel-sidebar .sidebar-title,
.report-sidebar .sidebar-title {
    color: var(--theme-heading) !important;
    border-color: var(--theme-button-border) !important;
}

.sidebar-section,
.sidebar-header {
    border-color: var(--theme-button-border) !important;
}

.btn-sidebar,
.btn-action-strip,
.date-mode-btn,
.filter-action-btn,
.action-btn,
.user-btn,
.btn-plain,
.btn-cancel,
.btn-secondary,
.btn-template,
.btn-import {
    background: var(--theme-button-bg) !important;
    color: var(--theme-heading) !important;
    border: 1px solid var(--theme-button-border) !important;
    transition: all 0.2s ease !important;
}

.btn-sidebar:hover,
.btn-sidebar.active,
.btn-action-strip:hover,
.date-mode-btn:hover,
.date-mode-btn.active,
.filter-action-btn:hover,
.action-btn:hover,
.user-btn:hover,
.btn-plain:hover,
.btn-cancel:hover,
.btn-secondary:hover,
.btn-template:hover,
.btn-import:hover {
    background: var(--theme-button-hover-bg) !important;
    color: var(--theme-primary-text) !important;
    border-color: var(--theme-button-hover-border) !important;
    box-shadow: 0 3px 10px rgba(31,95,147,0.12) !important;
}

.btn-action,
.btn-save,
.btn-primary,
.btn-add,
.btn-edit {
    background: var(--theme-primary-bg) !important;
    color: var(--theme-primary-text) !important;
    border-color: var(--theme-primary-border) !important;
    transition: all 0.2s ease !important;
}

.btn-action:hover,
.btn-save:hover,
.btn-primary:hover,
.btn-add:hover,
.btn-edit:hover {
    background: var(--theme-primary-hover-bg) !important;
    color: var(--theme-primary-text) !important;
    border-color: var(--theme-primary-border) !important;
    box-shadow: 0 3px 10px rgba(31,95,147,0.14) !important;
}

.btn-action.active,
.save-btn {
    background: var(--theme-heading) !important;
    color: #ffffff !important;
    border-color: var(--theme-heading) !important;
}

.save-btn:hover {
    background: #1f5f93 !important;
    color: #ffffff !important;
    box-shadow: 0 3px 10px rgba(31,95,147,0.14) !important;
}

.nav-btn:not(.nav-logout):not(.nav-btn-logout):hover,
.nav-btn:not(.nav-logout):not(.nav-btn-logout).active {
    background: rgba(234,245,255,0.18) !important;
}

/* ==================== General Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: var(--global-bg-color);
    min-height: 100vh;
    color: var(--color-text-primary);
    display: flex;
    flex-direction: column;
    font-size: 14px;
}

/* Global Headings for main content areas */
.main-content h1 { color: #33413c; margin-top: 0; font-weight: bold; font-size: 22px; }
.main-content h2 { color: var(--color-primary-dark); margin-top: 0; font-weight: normal; font-size: 18px; }

/* ==================== Top Navigation Bar ==================== */
.top-nav {
    background-color: var(--color-primary-dark);
    color: var(--color-bg-white);
    box-shadow: 0 1px 8px rgba(0,0,0,0.12);
    z-index: 1000;
    flex-shrink: 0;
}
.nav-container {
    padding: 8px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-brand { font-size: 1.4rem; font-weight: bold; letter-spacing: 1px; }
.nav-links { display: flex; gap: 10px; }
.nav-btn {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s;
    font-weight: normal;
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-btn:hover, .nav-btn.active { background: rgba(255,255,255,0.2); }

.nav-badge {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 999px;
    background: #fef3c7;
    color: #92400e;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1;
}

.nav-auth-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-status-text { font-size: 0.85rem; opacity: 0.85; }

.nav-btn-logout {
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.nav-btn-logout:hover { background: #c82333 !important; border-color: #c82333; }
.sidebar-logout {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
}

html, body {
    height: 100%;
}

/* ==================== Welcome Page ==================== */
.welcome-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.welcome-card {
    background: white;
    border-radius: 12px;
    padding: 60px 40px;
    box-shadow: 0 18px 45px rgba(31, 95, 147, 0.16);
    max-width: 600px;
    text-align: center;
    animation: slideInUp 0.5s ease-out;
}

.welcome-card h1 {
    color: #9fd0ff;
    font-size: 3em;
    margin-bottom: 10px;
}

.welcome-subtitle {
    color: #666;
    font-size: 1.2em;
    margin-bottom: 50px;
}

.button-container {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: normal;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    min-width: 200px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: #9fd0ff;
    color: #123a5a;
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(31, 95, 147, 0.18);
}

.btn-secondary {
    background-color: #64748b;
    color: var(--color-bg-white);
}

.btn-secondary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(245, 87, 108, 0.4);
}

.btn-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.btn-text {
    font-size: 1.5em;
    margin-bottom: 10px;
}

.btn-desc {
    font-size: 0.9em;
    opacity: 0.9;
}

/* ==================== Navbar ==================== */
.navbar {
    background: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.navbar h1 {
    color: #174a73;
    font-size: 2em;
}

.btn-back {
    padding: 10px 20px;
    background: #174a73;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-back:hover {
    background: #78bdec;
    transform: translateX(-3px);
}

/* ==================== Container & Layout ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
    background-color: var(--global-bg-color);
}

.today-work-container {
    display: flex;
    height: calc(100vh - 80px);
}

/* ==================== Sidebar ==================== */
.sidebar {
    width: 350px;
    background: var(--global-bg-color) !important;
    padding: 30px 20px;
    overflow-y: auto;
    box-shadow: 1px 0 6px rgba(31, 95, 147, 0.06);
    border-right: 1px solid #dfe5e2;
}

.calendar-section h3 {
    color: #174a73;
    margin-bottom: 20px;
    font-size: 1.3em;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.calendar-header h3 {
    margin: 0;
    font-size: 1.1em;
}

.nav-btn {
    background: #174a73;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: #78bdec;
}

.top-nav .nav-btn:hover,
.top-nav .nav-btn.active {
    background: rgba(234,245,255,0.18);
}

.calendar-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.calendar-table th {
    background: #f5f5f5;
    padding: 10px;
    text-align: center;
    font-weight: normal;
    color: #174a73;
    font-size: 0.9em;
}

.calendar-table td {
    padding: 10px;
    text-align: center;
    border: 1px solid #e0e0e0;
    cursor: default;
}

.calendar-day {
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.calendar-day:hover {
    background: #f0f0f0;
    transform: scale(1.05);
}

.calendar-day.today {
    background: #174a73;
    color: white;
    font-weight: bold;
}

.calendar-day.selected {
    background: #f5576c;
    color: white;
    font-weight: bold;
}

.selected-date-display {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.selected-date-display p {
    color: #174a73;
    font-weight: bold;
    margin-top: 5px;
}

/* ==================== Main Content ==================== */
.main-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    background: var(--global-bg-color);
}

.work-assignment-section {
    background: white;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-section, .table-section { background: white; padding: 25px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); margin-bottom: 30px; }



.work-assignment-section h2 {
    color: #174a73;
    margin-bottom: 20px;
}

.assignment-form {
    display: flex;
    gap: 15px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.assignment-form .form-group {
    flex: 1;
    min-width: 250px;
}

.btn-add {
    padding: 10px 20px;
    background: var(--theme-button-bg);
    color: var(--theme-heading);
    border: 1px solid var(--theme-button-border);
    border-radius: 8px;
    cursor: pointer;
    font-weight: normal;
    transition: all 0.3s ease;
}

.btn-add:hover {
    background: var(--theme-primary-hover-bg);
    box-shadow: 0 4px 12px rgba(31, 95, 147, 0.15);
}

.message {
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    display: none;
}

.message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border-left: 4px solid var(--color-success);
}

.message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--color-danger);
}

.assigned-work-section {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.assigned-work-section h2 {
    color: #174a73;
    margin-bottom: 20px;
}

.assigned-works-list {
    display: grid;
    gap: 15px;
}

.work-card {
    background: #f9f9f9;
    border-left: 5px solid #174a73;
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.work-card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.work-card.status-completed {
    border-left-color: #28a745;
    background: #f0f8f5;
}

.work-card.status-pending {
    border-left-color: #ffc107;
    background: #fffbf0;
}

.work-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.work-card h4 {
    color: #333;
    margin: 0;
}

.status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: normal;
}

.status-badge.completed {
    background: #28a745;
    color: white;
}

.status-badge.pending {
    background: #ffc107;
    color: #333;
}

.work-card-details {
    margin-bottom: 15px;
    color: #666;
    font-size: 0.95em;
}

.work-card-details p {
    margin: 8px 0;
}

.tat-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: normal;
    color: #475569;
    background: #f8fafc;
    border: none;
}

.day-badge {
    background: #174a73;
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.95em;
}

.day-suffix {
    font-size: 0.8em;
    margin-left: 2px;
}

.schedule-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.9em;
    font-weight: normal;
}

.schedule-badge.ongoing {
    background: #174a73;
    color: white;
}

.info-text {
    color: #666;
    font-size: 0.95em;
    margin-top: 10px;
}

.work-card-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-action {
    padding: 8px 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: normal;
    font-size: 0.9em;
    transition: all 0.3s ease;
}

.btn-complete {
    background: #28a745;
    color: white;
}

.btn-complete:hover {
    background: #218838;
    transform: scale(1.05);
}

.btn-pending {
    background: #ffc107;
    color: #333;
}

.btn-pending:hover {
    background: #e0a800;
    transform: scale(1.05);
}

.btn-delete {
    background: #dc3545;
    color: white;
}

.btn-delete:hover {
    background: #c82333;
    transform: scale(1.05);
}

.btn-edit {
    background: #9fd0ff;
    color: #123a5a;
}

.btn-edit:hover {
    background: #78bdec;
}

/* ==================== Form Styles ==================== */
.form-section {
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-section h2 {
    color: #174a73;
    margin-bottom: 20px;
}

.work-form {
    display: grid;
    gap: 20px;
}

.work-form-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.form-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-actions-full-width {
    grid-column: 1 / -1;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 10px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--color-text-primary);
    font-weight: normal;
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary-dark);
    box-shadow: 0 0 0 3px rgba(26, 58, 82, 0.1);
}

/* ==================== Table Styles ==================== */
.table-section {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* Professional Table Styling (adapted from work_master.html) */
.summary-scroll-container {
    width: 100%;
    overflow-x: auto;
    margin-top: 20px;
    border: 1px solid #eee;
    border-radius: 8px;
}

.data-table {
    width: 100%;
    border-collapse: separate; /* Use separate for border-spacing */
    border-spacing: 0; /* Remove space between cells */
    min-width: 800px; /* Ensure table is wide enough for content */
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.data-table th {
    background-color: var(--color-table-header) !important;
    font-weight: bold !important;
    color: #ffffff !important;
    text-align: left;
    position: sticky; /* Make headers sticky */
    top: 0;
    z-index: 15; /* Ensure headers are above scrolling content */
    border: 1px solid #164a73 !important;
    padding: 12px 10px;
}

table:not(.calendar-table) th {
    background-color: var(--color-table-header);
    color: #ffffff;
}

.data-table th:first-child {
    border-left: 1px solid #164a73 !important;
}

.data-table td {
    font-weight: normal !important;
    font-style: normal !important;
    border-bottom: 1px solid #eee;
    border-right: 1px solid #eee;
    padding: 10px 8px;
}

.data-table td:first-child {
    border-left: 1px solid #eee; /* Left border for first cell in row */
}

.data-table tbody tr:hover {
    background-color: #fcfdfe; /* Subtle hover effect */
}

/* Sticky First Column (e.g., Work Name) */
.data-table th:first-child, .data-table td:first-child {
    position: sticky;
    left: 0;
    background-color: #ffffff;
    z-index: 10; /* Ensure sticky column is above other cells */
    min-width: auto; /* Allow column to shrink to content or specific class width */
    text-align: left;
    padding-left: 15px;
    box-shadow: 2px 0 5px rgba(0,0,0,0.05); /* Shadow for sticky effect */
}

.data-table th:first-child {
    background-color: var(--color-table-header) !important;
    z-index: 25; /* Ensure sticky header is above sticky cells */
    font-weight: bold;
    color: #ffffff;
}

.col-id { 
    width: 60px !important; 
    min-width: 60px !important; 
    text-align: center !important; 
    padding-left: 0 !important; 
}

.col-name { min-width: 250px; }
.col-schedule { width: 150px; text-align: center; }
.col-day { width: 150px; text-align: center; }
.col-date { width: 120px; text-align: center; }
.col-assignee { min-width: 150px; }
.col-actions { width: 200px; text-align: center; }

.empty-message {
    background: #f0f0f0;
    padding: 30px;
    text-align: center;
    color: #999;
    border-radius: 8px;
    font-size: 1.1em;
}

/* Icon Buttons for Actions (general table use) */
.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 5px;
    margin: 0 2px;
    transition: color 0.2s;
}
.btn-icon.edit-icon { color: #64748b; }
.btn-icon.edit-icon:hover { color: #333; }
.btn-icon.delete-icon { color: #64748b; }
.btn-icon.delete-icon:hover { color: #333; }

/* ==================== Action Strip (Work Master) ==================== */
.action-strip {
    background: white;
    padding: 15px 25px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    margin-bottom: 25px;
    display: flex;
    gap: 15px;
    align-items: center;
    border-bottom: 1px solid var(--theme-button-border);
    padding-bottom: 20px;
}

.btn-action-strip {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: normal;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--theme-button-border);
    background: var(--theme-button-bg);
    color: var(--theme-heading);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-action-strip:hover {
    background: var(--theme-button-hover-bg);
    border-color: var(--theme-button-hover-border);
    color: #123a5a;
    box-shadow: 0 3px 10px rgba(31,95,147,0.12);
}

.btn-add-task { 
    background: var(--theme-button-bg); 
    color: var(--theme-heading);
    border-color: var(--theme-button-border);
    font-weight: normal;
}
.btn-add-task:hover {
    background: var(--theme-button-hover-bg);
    border-color: var(--theme-button-hover-border);
}

/* Subtle table formatting for Work Master */
.priority-high-subtle { color: #dc2626; font-weight: bold; }
.priority-medium-subtle { color: #d97706; }
.priority-normal-subtle { color: #64748b; }

.data-table .tat-badge {
    display: inline-block;
    font-weight: normal;
    text-transform: capitalize;
    color: #475569 !important;
    background: #f8fafc !important;
    border: none !important;
    padding: 2px 8px !important;
    border-radius: 4px;
    font-size: 0.8rem;
}

/* ==================== Modal ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideInDown 0.3s ease;
}

.modal-content-wide {
    max-width: 900px;
    margin: 5% auto;
}

.modal-content h2 {
    color: var(--color-primary-dark);
    margin-bottom: 20px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--color-primary-dark);
}

.btn-save {
    background: var(--theme-primary-bg);
    color: var(--theme-primary-text);
    border: 1px solid var(--theme-primary-border);
    padding: 12px 25px;
}

.btn-save:hover {
    background: var(--theme-primary-hover-bg);
}

.btn-cancel {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    color: #475569;
    padding: 12px 25px;
    margin-left: 10px;
}

.btn-cancel:hover {
    background: #777;
}

/* ==================== Animations ==================== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .button-container {
        flex-direction: column;
        gap: 20px;
    }

    .btn {
        min-width: 100%;
    }

    .today-work-container {
        flex-direction: column;
        height: auto;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 2px solid #f0f0f0;
        max-height: 400px;
    }

    .main-content {
        padding: 20px;
    }

    .assignment-form {
        flex-direction: column;
    }

    .assignment-form .form-group {
        min-width: 100%;
    }

    .welcome-card {
        padding: 40px 20px;
    }

    .welcome-card h1 {
        font-size: 2em;
    }

    .data-table {
        font-size: 0.9em;
    }

    .data-table th,
    .data-table td {
        padding: 10px;
    }

    .btn-action {
        padding: 6px 10px;
        font-size: 0.8em;
    }

    .work-card-actions {
        gap: 5px;
    }

    .navbar-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .navbar h1 {
        font-size: 1.5em;
    }
}

@media (max-width: 480px) {
    .welcome-card {
        padding: 30px 15px;
    }

    .welcome-card h1 {
        font-size: 1.5em;
    }

    .welcome-subtitle {
        font-size: 1em;
    }

    .btn-icon {
        font-size: 2em;
        margin-bottom: 10px;
    }

    .btn-text {
        font-size: 1.2em;
    }

    .btn-desc {
        display: none;
    }

    .data-table {
        font-size: 0.8em;
    }

    .modal-content {
        margin: 20% auto;
        width: 95%;
    }
}

/* ==================== Mobile Stability Layer ==================== */
@media (max-width: 768px) {
    html,
    body {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }

    .top-nav {
        position: sticky;
        top: 0;
    }

    .nav-container {
        padding: 8px 10px !important;
        align-items: flex-start !important;
        gap: 8px !important;
        flex-direction: column !important;
    }

    .nav-brand {
        font-size: 1rem !important;
        line-height: 1.2 !important;
    }

    .nav-links {
        width: 100% !important;
        display: flex !important;
        gap: 6px !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        padding-bottom: 3px !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .nav-btn,
    .user-status-text {
        flex: 0 0 auto !important;
        white-space: nowrap !important;
        font-size: 0.82rem !important;
        padding: 7px 9px !important;
    }

    .app-layout,
    .dashboard-container,
    .content-layout,
    .page-layout {
        display: flex !important;
        flex-direction: column !important;
        min-width: 0 !important;
        overflow: visible !important;
    }

    .sidebar,
    .report-sidebar,
    .panel-sidebar {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        max-height: none !important;
        position: relative !important;
        inset: auto !important;
        padding: 12px !important;
        border-right: 0 !important;
        border-bottom: 1px solid var(--theme-button-border) !important;
        overflow: visible !important;
        box-shadow: none !important;
    }

    .app-layout.sidebar-collapsed .sidebar {
        display: none !important;
    }

    .main-content,
    .content,
    .page-content,
    .report-content {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        padding: 12px !important;
        overflow: visible !important;
    }

    .header-flex,
    .daily-header-left,
    .toolbar,
    .form-row,
    .action-row {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 8px !important;
    }

    .header-flex h1,
    .daily-header-left h1,
    .main-content h1 {
        font-size: 1.15rem !important;
        line-height: 1.25 !important;
    }

    .period-notice,
    .new-period-panel {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .table-section,
    .table-container,
    .data-table-container,
    .table-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: auto !important;
        overflow-y: visible !important;
        padding: 10px !important;
        -webkit-overflow-scrolling: touch;
    }

    .data-table,
    #assignedWorkTable,
    #workTable,
    table {
        width: max-content !important;
        min-width: 760px !important;
    }

    .calendar-table {
        width: 100% !important;
        min-width: 0 !important;
    }

    input,
    select,
    textarea,
    button {
        max-width: 100% !important;
    }

    .modal-content,
    .task-detail-content {
        width: min(96vw, 720px) !important;
        max-height: 90vh !important;
        overflow: auto !important;
    }
}

@media (max-width: 520px) {
    .main-content,
    .content,
    .page-content,
    .report-content {
        padding: 8px !important;
    }

    .table-section,
    .table-container,
    .data-table-container,
    .table-wrapper {
        padding: 8px !important;
    }

    .btn-action,
    .btn-sidebar,
    .date-mode-btn,
    .nav-btn {
        min-height: 34px !important;
    }
}