/* Organization Calendar - Kaizen UI/UX Guidelines */

/* Design Tokens */
:root {
    /* Brand Colors */
    --brand-primary: #C53A3A;
    --brand-primary-dark: #A72E2E;
    --brand-primary-hover: #8B2A2A;

    /* Neutrals */
    --neutral-100: #F6F7F8;
    --neutral-200: #EBEDEF;
    --neutral-300: #E6E9EC;
    --neutral-400: #D1D5DB;
    --neutral-600: #6B7280;
    --neutral-700: #4B5563;
    --text-default: #111827;
    --white: #FFFFFF;

    /* Semantic Colors */
    --success: #16A34A;
    --success-light: #DCFCE7;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --error: #DC2626;
    --error-light: #FEE2E2;
    --info: #2563EB;
    --info-light: #DBEAFE;
    --pending: #9CA3AF;
    --pending-light: #F3F4F6;

    /* Spacing (base: 4px) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 999px;

    /* Shadows */
    --shadow-soft: 0 6px 18px rgba(16, 24, 40, 0.06);
    --shadow-medium: 0 8px 24px rgba(16, 24, 40, 0.12);
}

/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--neutral-100);
    color: var(--text-default);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 16px;
}

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

a:hover {
    color: var(--brand-primary-dark);
    text-decoration: underline;
}

/* Header / Top Bar */
.main-header {
    background: var(--white);
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--space-4) var(--space-5);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-5);
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--brand-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.logo a {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-default);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo a:hover {
    color: var(--text-default);
    text-decoration: none;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-2);
}

.main-nav a {
    padding: var(--space-2) var(--space-3);
    color: var(--neutral-700);
    border-radius: var(--radius-md);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
}

.main-nav a:hover {
    background: var(--neutral-200);
    text-decoration: none;
    color: var(--text-default);
}

.main-nav a.active {
    background: var(--neutral-300);
    color: var(--text-default);
    font-weight: 600;
}

/* Navigation Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    cursor: pointer;
}

.nav-dropdown .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-width: 180px;
    padding: var(--space-1) 0;
    z-index: 1000;
    flex-direction: column;
    gap: 0;
}

.nav-dropdown:hover .dropdown-menu {
    display: flex;
}

.nav-dropdown .dropdown-menu li {
    list-style: none;
}

.nav-dropdown .dropdown-menu a {
    display: flex;
    padding: var(--space-2) var(--space-4);
    border-radius: 0;
    white-space: nowrap;
}

.nav-dropdown .dropdown-menu a:hover {
    background: var(--neutral-100);
}

.nav-dropdown .dropdown-menu a.active {
    background: var(--neutral-200);
}

.header-search {
    flex: 1;
    max-width: 400px;
}

.header-search form {
    display: flex;
    gap: var(--space-2);
}

.header-search input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-family: inherit;
}

.header-search input:focus {
    outline: none;
    border-color: var(--info);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.header-search button {
    padding: var(--space-2) var(--space-4);
    background: var(--brand-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    font-family: inherit;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-search button:hover {
    background: var(--brand-primary-dark);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.username {
    color: var(--neutral-600);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.username i {
    color: var(--neutral-600);
}

/* Main Content */
.main-content {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-6);
    width: 100%;
}

/* Footer */
.main-footer {
    background: var(--white);
    border-top: 1px solid var(--neutral-300);
    padding: var(--space-4) var(--space-5);
    text-align: center;
    color: var(--neutral-600);
    font-size: 14px;
}

/* Buttons - Following Kaizen Guidelines */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--white);
    color: var(--text-default);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    box-shadow: var(--shadow-soft);
}

.btn:hover {
    text-decoration: none;
    background: var(--neutral-100);
    border-color: var(--neutral-400);
}

.btn:focus {
    outline: 3px solid rgba(197, 58, 58, 0.25);
}

/* Primary Button - Brand Red */
.btn-primary {
    background: var(--brand-primary);
    color: var(--white);
    border: none;
}

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

/* Success Button */
.btn-success {
    background: var(--success);
    color: var(--white);
    border: none;
}

.btn-success:hover {
    background: #15803d;
}

/* Danger Button */
.btn-danger {
    background: var(--error);
    color: var(--white);
    border: none;
}

.btn-danger:hover {
    background: #b91c1c;
}

/* Tertiary Button - Text/Link Style */
.btn-tertiary {
    background: transparent;
    color: var(--brand-primary);
    box-shadow: none;
    border: none;
    padding: var(--space-2) var(--space-3);
}

.btn-tertiary:hover {
    background: var(--neutral-100);
    color: var(--brand-primary-dark);
}

.btn-small {
    padding: var(--space-2) var(--space-3);
    font-size: 13px;
}

/* Alerts */
.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 14px;
}

.alert-success {
    background: var(--success-light);
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: var(--error-light);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: var(--info-light);
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Forms - Kaizen Style */
.form-group {
    margin-bottom: var(--space-4);
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-weight: 600;
    font-size: 14px;
}

.form-group label i {
    color: var(--neutral-600);
    font-size: 14px;
}

.form-group label .required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-family: inherit;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--info);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group .hint {
    font-size: 12px;
    color: var(--neutral-600);
    margin-top: var(--space-1);
}

.form-group .error-text {
    font-size: 12px;
    color: var(--error);
    margin-top: var(--space-1);
}

.form-group input.invalid,
.form-group select.invalid {
    border-color: var(--error);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-check input[type="checkbox"] {
    width: auto;
    accent-color: var(--brand-primary);
}

/* Cards - Kaizen Style */
.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--neutral-300);
}

.card-header h2 {
    font-size: 22px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.card-header h2 i {
    color: var(--brand-primary);
}

/* Section Headers with Left Border Accent */
.section-header {
    padding: var(--space-3) var(--space-4);
    background: var(--neutral-100);
    border-left: 4px solid var(--brand-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.section-header i {
    color: var(--brand-primary);
    font-size: 18px;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--neutral-300);
}

th {
    background: var(--neutral-100);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neutral-600);
}

tr:hover {
    background: var(--neutral-100);
}

.actions {
    display: flex;
    gap: var(--space-2);
}

/* Badges - Kaizen Style (Pill Shaped) */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--white);
}

.badge-success, .bg-success {
    background: var(--success);
}

.badge-warning, .bg-warning {
    background: var(--warning);
    color: #1f2937;
}

.badge-error, .bg-error {
    background: var(--error);
}

.badge-pending, .bg-pending {
    background: var(--pending);
}

.badge-info, .bg-info {
    background: var(--info);
}

/* Calendar Header */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.calendar-nav h2 {
    min-width: 220px;
    text-align: center;
    font-size: 22px;
    font-weight: 600;
}

.view-toggle {
    display: flex;
    gap: 0;
}

.view-toggle button {
    padding: var(--space-2) var(--space-4);
    background: var(--white);
    border: 1px solid var(--neutral-300);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    font-weight: 500;
    color: var(--neutral-700);
}

.view-toggle button:first-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.view-toggle button:last-child {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.view-toggle button:not(:last-child) {
    border-right: none;
}

.view-toggle button:hover {
    background: var(--neutral-100);
}

.view-toggle button.active {
    background: var(--brand-primary);
    color: var(--white);
    border-color: var(--brand-primary);
}

/* Calendar Grid */
.calendar-grid {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    width: 100%;
    table-layout: fixed;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    background: var(--neutral-100);
}

.calendar-weekdays div {
    padding: var(--space-4);
    text-align: center;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neutral-600);
    border-right: 1px solid var(--neutral-300);
}

.calendar-weekdays div:last-child {
    border-right: none;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-day {
    min-height: 120px;
    max-height: 140px;
    border: 1px solid var(--neutral-300);
    border-top: none;
    border-left: none;
    padding: var(--space-2);
    cursor: pointer;
    transition: background 0.2s;
    overflow: hidden;
    position: relative;
    min-width: 0;
    word-break: break-word;
}

.calendar-day:nth-child(7n) {
    border-right: none;
}

.calendar-day:hover {
    background: var(--neutral-100);
}

.calendar-day.other-month {
    background: var(--neutral-100);
    color: var(--neutral-400);
}

.calendar-day.today {
    background: #FFEDD5;
}

.calendar-day .day-number {
    font-weight: 600;
    margin-bottom: var(--space-2);
    font-size: 14px;
}

.calendar-day.today .day-number {
    color: #EA580C;
    font-weight: 700;
}

/* Day Type Styles */
.calendar-day.weekly-off {
    background: #E0E7FF;
}

.calendar-day.weekly-off.other-month {
    background: #EEF2FF;
}

.calendar-day.holiday {
    background: var(--error-light);
}

.calendar-day.holiday.other-month {
    background: #FCE8E8;
}

.calendar-day.festival {
    background: var(--warning-light);
}

.calendar-day.festival.other-month {
    background: #FEF6E0;
}

.weekly-off-header {
    color: #4F46E5 !important;
    font-weight: 700 !important;
}

.holiday-label {
    font-size: 9px;
    padding: 2px 4px;
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
}

.holiday-label.holiday {
    background: var(--error);
    color: var(--white);
}

.holiday-label.festival {
    background: var(--warning);
    color: #1f2937;
}

/* Event Items */
.event-item {
    padding: var(--space-1) var(--space-2);
    margin-bottom: var(--space-1);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    color: var(--white);
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.event-item:hover {
    opacity: 0.9;
}

.more-events {
    font-size: 11px;
    color: var(--neutral-600);
    padding: var(--space-1);
}

/* Weekly View */
.calendar-weekly {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.weekly-header {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    background: var(--neutral-100);
}

.weekly-header > div {
    padding: var(--space-4);
    text-align: center;
    border-right: 1px solid var(--neutral-300);
}

.weekly-header > div:last-child {
    border-right: none;
}

.weekly-header .day-name {
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neutral-600);
}

.weekly-header .day-date {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-default);
    margin-top: var(--space-1);
}

.weekly-body {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.weekly-day {
    min-height: 400px;
    border-right: 1px solid var(--neutral-300);
    padding: var(--space-2);
    cursor: pointer;
}

.weekly-day:hover {
    background: var(--neutral-50);
}

.weekly-day:last-child {
    border-right: none;
}

.weekly-day.today {
    background: #FFEDD5;
}

.weekly-day.weekly-off {
    background: #E0E7FF;
}

.weekly-day.holiday {
    background: var(--error-light);
}

.weekly-day.festival {
    background: var(--warning-light);
}

/* Daily View */
.calendar-daily {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    padding: var(--space-5);
}

.daily-header {
    text-align: center;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--neutral-300);
    margin-bottom: var(--space-4);
}

.daily-header h2 {
    font-size: 22px;
    font-weight: 600;
}

.daily-events {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.daily-event {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: var(--neutral-100);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.daily-event:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-soft);
}

.daily-event .event-time {
    min-width: 100px;
    font-weight: 600;
    color: var(--neutral-600);
}

.daily-event .event-details {
    flex: 1;
}

.daily-event .event-title {
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.daily-event .event-location {
    font-size: 14px;
    color: var(--neutral-600);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.daily-event .event-type-badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
}

/* Event Legend */
.event-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    margin-bottom: var(--space-4);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 14px;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(17, 24, 39, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px);
    transition: transform 0.3s;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5);
    border-bottom: 1px solid var(--neutral-300);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--neutral-600);
    line-height: 1;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.modal-close:hover {
    color: var(--text-default);
    background: var(--neutral-100);
}

.modal-body {
    padding: var(--space-5);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-5);
    border-top: 1px solid var(--neutral-300);
}

/* Event Detail Modal */
.event-detail-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.event-detail-header h3 {
    font-size: 20px;
    font-weight: 600;
}

.event-detail-header .event-type-badge {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
}

.event-detail-info {
    display: grid;
    gap: var(--space-4);
}

.event-detail-row {
    display: flex;
    gap: var(--space-4);
}

.event-detail-row .label {
    min-width: 100px;
    font-weight: 600;
    color: var(--neutral-600);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.participants-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.participant-badge {
    padding: var(--space-1) var(--space-3);
    background: var(--neutral-200);
    border-radius: var(--radius-full);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Share Link */
.share-link-row {
    flex-direction: column;
    gap: var(--space-2) !important;
}

.share-link-container {
    display: flex;
    gap: var(--space-2);
    width: 100%;
}

.share-link-container input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-md);
    font-size: 12px;
    background: var(--neutral-50);
    color: var(--neutral-600);
}

.share-link-container input:focus {
    outline: none;
    border-color: var(--info);
}

.share-link-container .btn {
    white-space: nowrap;
}

/* Multi-Select */
.multi-select-container {
    position: relative;
}

.multi-select-selected {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-2);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    min-height: 44px;
    cursor: pointer;
    background: var(--white);
}

.multi-select-selected:focus-within {
    border-color: var(--info);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.selected-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--brand-primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.selected-item button {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 0;
    margin-left: var(--space-1);
}

.multi-select-search {
    flex: 1;
    min-width: 100px;
    border: none;
    outline: none;
    padding: var(--space-1);
    font-family: inherit;
    font-size: 14px;
}

.multi-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    max-height: 200px;
    overflow-y: auto;
    z-index: 10;
    display: none;
    margin-top: var(--space-1);
}

.multi-select-dropdown.active {
    display: block;
}

.multi-select-option {
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.multi-select-option:hover {
    background: var(--neutral-100);
}

.multi-select-option.selected {
    background: var(--brand-primary);
    color: var(--white);
}

.multi-select-add {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--neutral-300);
    color: var(--brand-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
}

.multi-select-add:hover {
    background: var(--neutral-100);
}

/* Color Picker */
.color-picker-container {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.color-picker-container input[type="color"] {
    width: 60px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
}

.color-preview {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-300);
}

/* Recurring Event Options */
.recurring-options {
    display: none;
    padding: var(--space-4);
    background: var(--neutral-100);
    border-radius: var(--radius-lg);
    margin-top: var(--space-2);
    border-left: 4px solid var(--brand-primary);
}

.recurring-options.active {
    display: block;
}

/* Search Results */
.search-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.search-result-item {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    padding: var(--space-5);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.search-result-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-medium);
}

.search-result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-2);
}

.search-result-title {
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.search-result-date {
    color: var(--neutral-600);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.search-result-description {
    color: var(--neutral-600);
    margin-bottom: var(--space-2);
    font-size: 14px;
}

.search-highlight {
    background: var(--warning-light);
    padding: 0 var(--space-1);
    border-radius: var(--radius-sm);
}

/* Login Page */
.login-container {
    max-width: 400px;
    margin: var(--space-8) auto;
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    padding: var(--space-8);
}

.login-card h1 {
    text-align: center;
    margin-bottom: var(--space-6);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.login-card h1 i {
    color: var(--brand-primary);
}

/* No Events Message */
.no-events {
    text-align: center;
    padding: var(--space-10);
    color: var(--neutral-600);
}

.no-events i {
    font-size: 48px;
    color: var(--neutral-400);
    margin-bottom: var(--space-4);
    display: block;
}

/* Loading Spinner */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-10);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--neutral-300);
    border-top-color: var(--brand-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Calendar Error State */
.calendar-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-10);
    text-align: center;
    color: var(--neutral-600);
}

.calendar-error i {
    font-size: 48px;
    color: var(--warning);
    margin-bottom: var(--space-4);
}

.calendar-error p {
    margin-bottom: var(--space-4);
    font-size: var(--font-size-lg);
}

.calendar-error .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

/* Inline Add Form */
.inline-add-form {
    display: none;
    padding: var(--space-4);
    background: var(--neutral-100);
    border-radius: var(--radius-lg);
    margin-top: var(--space-2);
    border-left: 4px solid var(--success);
}

.inline-add-form.active {
    display: block;
}

.inline-add-form h4 {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.inline-add-form .form-row {
    margin-bottom: var(--space-2);
}

/* Confirmation Dialog */
.confirm-dialog {
    text-align: center;
}

.confirm-dialog p {
    margin-bottom: var(--space-5);
    font-size: 16px;
}

.confirm-dialog .btn-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.confirm-dialog .btn-group .btn {
    width: 100%;
}

/* Event Type Inline Color */
.event-type-inline {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
    margin-right: var(--space-2);
}

/* Responsive */
@media (max-width: 900px) {
    .header-container {
        flex-direction: column;
        align-items: stretch;
    }

    .header-search {
        max-width: none;
    }

    .calendar-day {
        min-height: 80px;
    }

    .calendar-day .event-item {
        font-size: 10px;
    }

    .calendar-header {
        flex-direction: column;
        align-items: stretch;
    }

    .calendar-nav {
        justify-content: center;
    }

    .view-toggle {
        justify-content: center;
    }

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

@media (max-width: 600px) {
    .main-content {
        padding: var(--space-4);
    }

    .card {
        padding: var(--space-4);
    }

    .calendar-weekdays div {
        padding: var(--space-2);
        font-size: 11px;
    }

    .weekly-header > div {
        padding: var(--space-2);
    }

    .weekly-header .day-name {
        font-size: 10px;
    }

    .weekly-header .day-date {
        font-size: 14px;
    }
}

/* Department Badge Styles */
.dept-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
}

.dept-badge-small {
    display: inline-block;
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 11px;
    font-weight: 600;
}

/* Event Type Code Badge */
.event-type-code {
    display: inline-block;
    padding: 2px var(--space-2);
    background: var(--neutral-200);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    color: var(--neutral-700);
    font-family: monospace;
    letter-spacing: 0.5px;
}

/* Short Code Badge */
.short-code-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    background: var(--brand-primary);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    font-family: monospace;
    letter-spacing: 1px;
}

/* Event Detail Header Flex Wrap */
.event-detail-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.event-detail-header h3 {
    width: 100%;
    font-size: 20px;
    font-weight: 600;
    margin-top: var(--space-2);
}

/* Alert Info Style */
.alert-info {
    background: var(--info-light);
    border: 1px solid var(--info);
    color: var(--text-default);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.alert-info i {
    color: var(--info);
}

/* ========================================
   Multi-Day Events & Calendar Enhancements
   ======================================== */

/* Multi-day event styles */
.multi-day-event {
    border-left: 3px solid rgba(255,255,255,0.5) !important;
}

.multi-day-badge {
    display: inline-block;
    background: rgba(255,255,255,0.3);
    padding: 1px 5px;
    border-radius: 8px;
    font-size: 9px;
    font-weight: 600;
    margin-left: 4px;
    white-space: nowrap;
}

.multi-day-badge-lg {
    display: inline-block;
    background: var(--info);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 8px;
}

/* Event item improvements - Monthly view */
.calendar-day .event-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 3px 6px;
    overflow: hidden;
    white-space: normal;
    line-height: 1.3;
}

.calendar-day .event-item .event-time {
    font-size: 9px;
    opacity: 0.9;
    font-weight: 600;
    white-space: nowrap;
}

.calendar-day .event-item .event-title {
    font-size: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
    line-height: 1.2;
}

/* Tooltip styles - Global floating tooltip */
#event-tooltip {
    display: none;
    position: fixed;
    background: #1f2937;
    color: white;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 12px;
    white-space: pre-line;
    z-index: 10000;
    min-width: 180px;
    max-width: 300px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    pointer-events: none;
    line-height: 1.5;
}

#event-tooltip.visible {
    display: block;
}

/* Weekly view fixes */
.weekly-day {
    min-width: 0;
    flex: 1;
    overflow: hidden;
}

.weekly-day .event-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.weekly-day .event-time-row {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    width: 100%;
}

.weekly-day .event-title-row {
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
}

/* Day options overlay - icon buttons on cell */
.day-options-overlay {
    display: none;
    position: absolute;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
    padding: 4px;
    gap: 2px;
}

.day-options-overlay.active {
    display: flex;
}

.day-opt-btn {
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--neutral-600);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    font-size: 15px;
}

.day-opt-btn:hover {
    background: var(--neutral-200);
    color: var(--text-default);
}

.day-opt-btn.day-opt-add {
    color: var(--success);
}

.day-opt-btn.day-opt-add:hover {
    background: var(--success);
    color: white;
}

/* All events modal */
.all-events-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--neutral-200);
}

.all-events-header h4 {
    margin: 0;
    font-size: 16px;
}

.all-events-header .event-count {
    font-size: 13px;
    color: var(--neutral-500);
}

.all-events-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 400px;
    overflow-y: auto;
}

.all-events-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    background: var(--neutral-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--neutral-400);
    cursor: pointer;
    transition: background 0.15s;
}

.all-events-item:hover {
    background: var(--neutral-100);
}

.all-events-time {
    font-size: 12px;
    font-weight: 600;
    color: var(--neutral-600);
    display: flex;
    align-items: center;
    gap: 8px;
}

.all-events-title {
    font-size: 14px;
    font-weight: 500;
}

.all-events-location {
    font-size: 12px;
    color: var(--neutral-500);
}

/* More events link */
.more-events {
    font-size: 11px;
    color: var(--info);
    cursor: pointer;
    padding: 2px 4px;
    text-align: center;
    font-weight: 500;
}

.more-events:hover {
    text-decoration: underline;
}