@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #205c44;
    --primary-dark: #164331;
    --primary-light: #eaf1ec;
    --accent: #38a169;
    --bg-main: #f4f8f5;
    --bg-card: #ffffff;
    --text-main: #1b2e24;
    --text-muted: #556b60;
    --border-color: #d2ded7;
    --border-light: #edf2f7;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    
    /* Stats Colors */
    --color-blue: #3182ce;
    --color-blue-bg: #ebf8ff;
    --color-orange: #dd6b20;
    --color-orange-bg: #fffaf0;
    --color-green: #38a169;
    --color-green-bg: #f0fff4;
    --color-red: #e53e3e;
    --color-red-bg: #fff5f5;
}

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

/* Global scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* Body Styling & Sidebar Layout */
body {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: auto 1fr;
    grid-template-areas: 
        "sidebar header"
        "sidebar main";
    position: relative;
    overflow-x: hidden;
}

.bg-layer {
    display: none !important;
}

/* Header (Top Bar) */
.header {
    grid-area: header;
    background: #ffffff;
    padding: 1.25rem 2.5rem;
    box-shadow: var(--shadow-sm);
    z-index: 10;
    position: sticky;
    top: 0;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    text-shadow: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header h1 i, .header h1 svg {
    color: var(--primary);
    width: 22px;
    height: 22px;
}

.user-info {
    font-size: .88rem;
    color: var(--text-muted);
}

.user-info strong {
    color: var(--text-main);
}

.logout-btn {
    background: #ffffff;
    color: #e53e3e;
    padding: .5rem 1rem;
    border: 1px solid #fed7d7;
    border-radius: 8px;
    text-decoration: none;
    font-size: .85rem;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}

.logout-btn:hover {
    background: #fff5f5;
    color: #c53030;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(229, 62, 62, 0.1);
}

/* Sidebar Navigation (.nav-tabs) */
.nav-tabs {
    grid-area: sidebar;
    background: #eaf1ec;
    border-right: 1px solid var(--border-color);
    padding: 2.5rem 1.25rem;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 20;
    box-shadow: none;
    border-radius: 0;
}

/* Insert Premium Logo in CSS */
.nav-tabs::before {
    content: "ActivityREPORTs";
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 2.5rem;
    padding-left: 36px;
    height: 36px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48' fill='none'%3E%3Crect width='48' height='48' rx='2' fill='%23205c44'/%3E%3Cpath d='M12 32L18 24L26 30L36 16' stroke='%23ffffff' stroke-width='4' stroke-linecap='square' stroke-linejoin='miter'/%3E%3Ccircle cx='36' cy='16' r='3' fill='%23a3e635'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: 26px;
    background-position: left center;
}

.nav-tabs-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #3d584b;
    font-weight: 600;
    padding: 0.8rem 1.1rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    position: relative;
    background: transparent;
    border: none;
    outline: none;
}

.nav-tab i, .nav-tab svg {
    width: 18px;
    height: 18px;
}

.nav-tab:hover {
    background: rgba(32, 92, 68, 0.06);
    color: var(--primary);
}

.nav-tab.active {
    background: var(--primary);
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(32, 92, 68, 0.15);
}

.nav-tab::after {
    display: none !important;
}

/* Main Content Area */
.main-content {
    grid-area: main;
    padding: 2.5rem;
    background-color: var(--bg-main);
    display: flex;
    flex-direction: column;
    max-width: 100%;
    margin: 0;
    width: 100%;
    height: auto;
}

/* Toolbar & Filtering Block */
.toolbar {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.toolbar-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* Buttons Styling */
.refresh-btn, .btn-primary, .new-entry-btn, .nav-btn, .submit-btn, .btn-login {
    font-weight: 600;
    border-radius: 8px;
    padding: 0.65rem 1.25rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    border: none;
    outline: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.refresh-btn, .btn-primary, .new-entry-btn {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(32, 92, 68, 0.15);
}

.refresh-btn:hover, .btn-primary:hover, .new-entry-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(32, 92, 68, 0.25);
    color: #ffffff;
}

#exportBtn {
    background: #ffffff !important;
    color: var(--primary) !important;
    border: 1px solid var(--primary) !important;
    box-shadow: none !important;
}

#exportBtn:hover {
    background: rgba(32, 92, 68, 0.05) !important;
    color: var(--primary-dark) !important;
}

/* Inputs & Form Controls */
.form-control, select, textarea, .form-group input:not([type="checkbox"]):not([type="radio"]) {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    color: var(--text-main) !important;
    border-radius: 8px;
    padding: 0.6rem 1rem;
    transition: all 0.2s;
    outline: none;
    font-size: 0.9rem;
    font-family: inherit;
}

.form-control::placeholder, textarea::placeholder {
    color: #94a3b8;
}

.form-control:focus, select:focus, textarea:focus, .form-group input:not([type="checkbox"]):not([type="radio"]):focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(32, 92, 68, 0.15) !important;
    background: #ffffff !important;
}

/* Month Selector */
.month-selector {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
}

.month-selector label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.month-selector select {
    background: #ffffff;
    border: 1px solid #cbd5e0;
    color: var(--text-main);
    padding: 0.6rem 2.2rem 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%234a5568'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
    min-width: 140px;
}

/* Stats Grid & Modernized Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.2rem;
}

.stat-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-areas: 
        "icon label"
        "value value";
    grid-template-columns: auto 1fr;
    align-items: center;
    row-gap: 0.75rem;
    column-gap: 0.5rem;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 5px;
}

/* Card Accent border/text styling matching template image */
.stat-card:nth-child(1)::before { background: var(--color-blue); }
.stat-card:nth-child(1) .stat-icon { color: var(--color-blue); }
.stat-card:nth-child(1) .stat-value { color: var(--color-blue); }
.stat-card:nth-child(1) .stat-label { color: var(--color-blue); }

.stat-card:nth-child(2)::before { background: var(--color-orange); }
.stat-card:nth-child(2) .stat-icon { color: var(--color-orange); }
.stat-card:nth-child(2) .stat-value { color: var(--color-orange); }
.stat-card:nth-child(2) .stat-label { color: var(--color-orange); }

.stat-card:nth-child(3)::before { background: var(--color-green); }
.stat-card:nth-child(3) .stat-icon { color: var(--color-green); }
.stat-card:nth-child(3) .stat-value { color: var(--color-green); }
.stat-card:nth-child(3) .stat-label { color: var(--color-green); }

.stat-card:nth-child(4)::before { background: var(--color-red); }
.stat-card:nth-child(4) .stat-icon { color: var(--color-red); }
.stat-card:nth-child(4) .stat-value { color: var(--color-red); }
.stat-card:nth-child(4) .stat-label { color: var(--color-red); }

.stat-icon {
    grid-area: icon;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    width: 24px;
    height: 24px;
    background: transparent !important;
}

.stat-icon i, .stat-icon svg {
    width: 18px;
    height: 18px;
}

.stat-label {
    grid-area: label;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    grid-area: value;
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
    margin-top: 0.25rem;
}

.stat-change {
    display: none; /* Hide if unused */
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card, .table-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-title, .table-title {
    color: var(--text-main);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-left: 4px solid var(--primary);
    padding-left: 0.75rem;
}

.chart-title i, .chart-title svg,
.table-title i, .table-title svg {
    color: var(--primary);
    width: 18px;
    height: 18px;
}

.chart-container {
    position: relative;
    height: 320px;
    width: 100%;
}

/* Tables Styling */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.88rem;
}

.data-table th {
    background: #f0f4f2;
    padding: 0.85rem 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.data-table th:first-child {
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.data-table th:last-child {
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-main);
    vertical-align: middle;
}

.data-table tr:hover {
    background: #f7faf8;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table strong {
    font-weight: 600;
    color: var(--text-main);
}

/* Badges styling (soft tones) */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    line-height: 1;
}

.badge.blue, .badge.info {
    background: #e1effe !important;
    color: #1e429f !important;
}

.badge.green, .badge.success {
    background: #def7ec !important;
    color: #03543f !important;
}

.badge.warning {
    background: #fdf6b2 !important;
    color: #723b13 !important;
}

.badge.danger {
    background: #fde8e8 !important;
    color: #9b1c1c !important;
}

/* Settings Specific Elements */
.tabs-container {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.settings-tabs {
    display: flex;
    background: #f0f4f2;
    border-bottom: 1px solid var(--border-color);
}

.settings-tab {
    flex: 1;
    padding: 1.1rem;
    text-align: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    outline: none;
}

.settings-tab.active {
    background: #ffffff;
    color: var(--primary);
    border-bottom: 3px solid var(--primary);
    font-weight: 700;
}

.settings-tab:hover:not(.active) {
    background: rgba(32, 92, 68, 0.04);
    color: var(--primary);
}

.tab-content {
    display: none;
    padding: 2.2rem;
}

.tab-content.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.45rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    border: none;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-edit {
    background: #eff6ff;
    color: #1e40af;
}

.btn-edit:hover {
    background: #dbeafe;
    transform: translateY(-1px);
}

.btn-delete {
    background: #fdf2f2;
    color: #9b1c1c;
}

.btn-delete:hover {
    background: #fde8e8;
    transform: translateY(-1px);
}

/* Calendar Page Styling */
.calendar-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-btn {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.nav-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.current-date {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    min-width: 180px;
    text-align: center;
}

.calendar {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: #f0f4f2;
    border-bottom: 1px solid var(--border-color);
}

.calendar-header-cell {
    padding: 1rem;
    text-align: center;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border-color);
    padding: 0;
}

.calendar-day {
    background: #ffffff;
    padding: 0.75rem;
    height: 140px;
    overflow-y: auto;
    cursor: pointer;
    transition: all 0.15s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.calendar-day:hover {
    background: #f7faf8;
}

.calendar-day.other-month {
    background: #fafcfb;
    opacity: 0.45;
}

.calendar-day.today {
    background: var(--primary-light);
    box-shadow: inset 0 0 0 2px var(--primary);
}

.day-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 24px;
    margin-bottom: 0.25rem;
}

.day-number {
    font-weight: 700;
    color: var(--text-main);
    font-size: 0.95rem;
}

.day-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.badge-entries {
    background: var(--primary);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    border-radius: 50%;
    text-align: center;
    padding: 0;
    flex-shrink: 0;
}

.badge-entries.hidden {
    display: none !important;
}

.entry {
    background: #eaf1ec;
    color: var(--primary-dark);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all 0.15s;
    border-left: 3px solid var(--primary);
}

.entry:hover {
    background: var(--primary);
    color: #ffffff;
    transform: scale(1.02);
    box-shadow: var(--shadow-sm);
}

#entriesInfo {
    background: var(--primary-light);
    border: 1px solid var(--border-color);
    padding: 0.85rem;
    border-radius: 8px;
    margin: 1rem 0;
    font-size: 0.88rem;
    color: var(--primary-dark);
    font-weight: 500;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(27, 46, 36, 0.4);
    backdrop-filter: blur(4px);
    overflow: auto;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    width: 92%;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-light);
}

.modal-header h2 {
    color: var(--text-main);
    font-size: 1.25rem;
    font-weight: 700;
}

.close {
    color: var(--text-muted);
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.15s;
}

.close:hover {
    color: #e53e3e;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.4rem;
    font-size: 0.88rem;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.submit-btn, .delete-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    width: 100%;
    margin-top: 0.75rem;
    justify-content: center;
}

.submit-btn {
    background: var(--primary);
    color: #ffffff;
}

.submit-btn:hover {
    background: var(--primary-dark);
}

.delete-btn {
    background: #fdf2f2;
    color: #e53e3e;
    border: 1px solid #fed7d7;
}

.delete-btn:hover {
    background: #fde8e8;
}

/* Staff Multi-select inside Modal */
.staff-select {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 0.5rem;
    background: #f8fafc;
}

.staff-checkbox {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    margin: 2px 0;
    border-radius: 6px;
    transition: background 0.15s;
    color: var(--text-main);
    font-size: 0.88rem;
    cursor: pointer;
}

.staff-checkbox:hover {
    background: rgba(32, 92, 68, 0.05);
}

.staff-checkbox input {
    margin-right: 0.75rem;
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.position-text {
    color: var(--text-muted);
    font-size: 0.8em;
    margin-left: 6px;
}

.excel-badge, .list-badge {
    background: #f0f4f2;
    color: var(--primary);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.excel-badge:hover, .list-badge:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* Login Page Styling */
.login-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: transparent;
}

body:has(.login-wrapper) {
    display: flex;
    min-height: 100vh;
    width: 100vw;
    background: url('login_bg.png') no-repeat center center fixed;
    background-size: cover;
    padding-bottom: 0 !important;
}

body:has(.login-wrapper) .bg-layer {
    display: none !important;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 0 !important;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.login-card .card-header {
    background: #ffffff !important;
    padding: 3rem 2.5rem 1rem !important;
    text-align: center;
    color: var(--text-main) !important;
    border-bottom: none;
}

.login-card .card-header h1 {
    font-size: 1.65rem;
    font-weight: 800;
    margin: 0;
    color: var(--text-main) !important;
    letter-spacing: -0.5px;
}

.login-card .card-header p {
    margin-top: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
    opacity: 1;
}

.login-card .card-body {
    padding: 1rem 2.5rem 3.5rem;
    background: #ffffff;
}

.login-card label.form-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: block;
}

.login-card .form-control {
    background: #edf2f7 !important;
    border: 1px solid #cbd5e1 !important;
    color: var(--text-main) !important;
    border-radius: 0 !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.9rem !important;
    font-weight: 500 !important;
    width: 100% !important;
    transition: all 0.2s;
    outline: none;
}

.login-card .form-control:focus {
    background: #ffffff !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(32, 92, 68, 0.15) !important;
}

.btn-login {
    background: var(--primary);
    color: #ffffff;
    width: 100%;
    justify-content: center;
    padding: 0.9rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    border-radius: 0 !important;
    border: none;
    transition: all 0.2s;
}

.btn-login:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(32, 92, 68, 0.2);
}

/* Spinner and Alert Elements */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.spinner {
    border: 3px solid rgba(32, 92, 68, 0.1);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.alert {
    border: none;
    border-radius: 8px;
    padding: 0.9rem 1.25rem;
    font-size: 0.88rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert.success {
    background: #def7ec;
    color: #03543f;
    border-left: 4px solid #38a169;
}

.alert.error, .alert.danger {
    background: #fde8e8;
    color: #9b1c1c;
    border-left: 4px solid #e53e3e;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    body {
        display: flex;
        flex-direction: column;
    }

    .nav-tabs {
        height: auto;
        position: relative;
        padding: 1.25rem 1.5rem;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    /* Hide redundant logo since header contains it on mobile */
    .nav-tabs::before {
        display: none !important;
    }

    .nav-tabs-content {
        flex-direction: row;
        justify-content: flex-start;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .nav-tab {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .header {
        position: relative;
        padding: 1.25rem 1.5rem;
    }

    .main-content {
        padding: 1.5rem;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .header-content > div {
        width: 100% !important;
        justify-content: space-between !important;
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 0.5rem !important;
    }
    
    .header-content > div:last-child {
        border-top: 1px solid var(--border-light);
        padding-top: 0.75rem;
        gap: 0.75rem !important;
    }

    /* Premium Sticky Bottom Navigation Bar on Mobile */
    .nav-tabs {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        height: 65px !important;
        background: #ffffff !important;
        border-top: 1px solid var(--border-color) !important;
        border-bottom: none !important;
        border-right: none !important;
        padding: 0 0.5rem !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.06) !important;
        z-index: 1000 !important;
    }

    .nav-tabs-content {
        width: 100% !important;
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-around !important;
        gap: 0 !important;
    }

    .nav-tab {
        flex: 1 !important;
        flex-direction: column !important;
        gap: 3px !important;
        padding: 6px 0 !important;
        font-size: 0.72rem !important;
        color: var(--text-muted) !important;
        background: transparent !important;
        border-radius: 0 !important;
        justify-content: center !important;
        align-items: center !important;
        border: none !important;
        box-shadow: none !important;
    }

    .nav-tab i, .nav-tab svg {
        width: 20px !important;
        height: 20px !important;
    }

    .nav-tab.active {
        color: var(--primary) !important;
        background: transparent !important;
        font-weight: 700 !important;
        box-shadow: none !important;
    }

    body {
        padding-bottom: 75px !important;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding: 1rem;
    }

    .toolbar-buttons {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }

    .toolbar-buttons button {
        width: 100%;
        margin-left: 0 !important;
        justify-content: center;
    }

    .month-selector {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .month-selector select {
        flex: 1;
        min-width: 90px;
    }

    .calendar {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .calendar-header {
        grid-template-columns: repeat(7, 120px);
        min-width: 840px;
    }

    .calendar-grid {
        grid-template-columns: repeat(7, 120px);
        min-width: 840px;
    }
    
    .calendar-day {
        height: 110px;
        padding: 0.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .modal-content {
        padding: 1.5rem;
        width: 95%;
        max-height: 90vh;
    }
    
    .settings-tabs {
        flex-direction: row;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .settings-tabs::-webkit-scrollbar {
        display: none;
    }
    
    .settings-tab {
        flex: 0 0 auto;
        padding: 0.9rem 1.25rem;
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: 0.75rem;
    }
    
    .header {
        padding: 0.75rem;
    }
    
    .nav-tabs {
        padding: 0.75rem;
    }
    
    .stat-value {
        font-size: 1.8rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .chart-container {
        height: 250px;
    }
    
    .chart-card {
        padding: 1rem;
    }
    
    .tab-content {
        padding: 1.25rem 0.75rem;
    }
    
    .login-wrapper {
        padding: 1rem;
    }
}

/* Enable Horizontal Scrolling inside tables and tab contents on narrow screens */
.table-card, .tab-content {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
    .data-table {
        min-width: 600px;
    }
}

/* Language Switcher Widget */
.lang-switcher {
    display: inline-flex;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2px;
    box-shadow: var(--shadow-sm);
    align-items: center;
}

.lang-btn {
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-muted) !important;
    transition: all 0.2s;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-btn:hover {
    color: var(--primary) !important;
    background: rgba(32, 92, 68, 0.05);
}

.lang-btn.active {
    background: var(--primary);
    color: #ffffff !important;
}

/* Enforce modern rectangular/squared UI layout */
.logout-btn,
.nav-tab,
.refresh-btn,
.btn-primary,
.new-entry-btn,
.nav-btn,
.submit-btn,
.btn-login,
.form-control,
select,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="time"],
textarea,
.form-group input,
.form-group select,
.form-group textarea,
.data-table,
.stats-card,
.modal-content,
.badge,
.alert,
.login-card,
.lang-btn,
.lang-switcher,
.settings-tab,
.settings-tabs,
.tabs-container,
.tab-content,
.day-entry-item,
.entry,
.calendar-day {
    border-radius: 2px !important;
}

.hidden {
    display: none !important;
}

.day-entry-item {
    background: var(--primary-light) !important;
    color: var(--text-main) !important;
    border-radius: 8px !important;
    padding: 12px 16px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary) !important;
    cursor: pointer;
    transition: all 0.2s ease;
}

.day-entry-item:hover {
    background: #d2ded7 !important;
    transform: translateX(4px);
}

.day-entry-item-details {
    margin-top: 4px;
    font-size: 0.9em;
    color: var(--text-muted);
}

.day-entry-item-details .vacation-badge {
    color: #d97706;
    font-weight: 600;
}