/* --- Root Variables --- */
:root {
    --color-primary: #4a90e2;
    --color-success: #51c077;
    --color-warning: #efa341;
    --color-danger: #e54659;
    --color-light-gray: #f4f5f7;
    --color-gray: #dfe1e6;
    --color-dark-gray: #5e6c84;
    --color-text: #172b4d;
    --border-radius: 6px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* --- Base Styles --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-light-gray);
    color: var(--color-text);
    margin: 0;
    line-height: 1.5;
}

h1, h2, h3 {
    color: var(--color-text);
    margin: 0 0 16px 0;
}

h4 {
    margin-bottom: 12px;
    margin-top: 12px;
}

button, input[type="file"]::file-selector-button {
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    padding: 10px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

button:hover, input[type="file"]::file-selector-button:hover {
    background-color: #357ABD;
}

input[type="email"], input[type="password"], input[type="text"], input[type="date"], select, textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 16px;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    background-color: white;
    font-family: inherit;
    font-size: 14px;
}

/* --- Components --- */

/* Login Screen */
#login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    box-sizing: border-box;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: #fff;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.login-box h2 {
    margin-top: 16px;
    margin-bottom: 24px;
}

.auth-tabs {
    display: flex;
    margin-bottom: 24px;
    /* border-bottom: 1px solid var(--color-gray); */
}

.auth-tab-btn {
    flex: 1;
    padding: 10px;
    background: none;
    border: none;
    color: var(--color-dark-gray);
    font-size: 16px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}
.auth-tab-btn:hover {
    background-color: var(--color-light-gray);
}

.auth-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    border-radius: 0px;
}

.login-box button[type="submit"] {
    width: 100%;
}

.error-message {
    display: none;
    background-color: #ffebee;
    color: var(--color-danger);
    padding: 12px;
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    text-align: left;
    font-size: 14px;
}

/* Main App */
#app-container {
    /* display is controlled by JS now */
    max-width: 1920px;
    margin: 0 auto;
    background: #fff;
    padding-bottom: 0px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

header {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 8px 24px 0px 24px;
    align-items: center;
    margin-bottom: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-right {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--color-dark-gray);
    font-weight: 500;
}

.header-menu {
    position: relative;
}

.title-wrapper {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    padding: 0px 16px 0px 16px;

}

/* Dropdown Menu */
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: #fff;
    min-width: 180px;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    z-index: 1002;
    padding: 8px 0;
    border: 1px solid var(--color-gray);
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--color-text);
    text-decoration: none;
    white-space: nowrap;
}

.dropdown-item:hover {
    background-color: var(--color-light-gray);
}

.dropdown-item.danger,
.dropdown-item.danger:hover {
    color: var(--color-danger);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-gray);
    margin: 8px 0;
}

/* Stats Container */
.stats-container {
    border-radius: var(--border-radius);
    padding: 0px 24px 0px 24px;
}

.stat-item {
    background: #fff;
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 13px;
    box-shadow: 0 1px 5px 0px rgba(0, 0, 0, 0.15);
    display: inline-flex;
    gap: 6px;
    margin: 4px;
}

.stat-item .year {
    font-weight: bold;
    color: var(--color-primary);
}

.editable-stock {
    cursor: pointer;
    font-weight: bold;
    text-decoration: underline dotted;
}

.stat-input {
    width: 40px;
    text-align: right;
    border: 1px solid var(--color-primary);
    border-radius: 4px;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 80vh;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td {
    padding: 12px 8px;
    text-align: left;
    border-bottom: 1px solid var(--color-gray);
    white-space: nowrap;
    vertical-align: middle;
}

td.anniversary-cell {
    padding-top: 4px;
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
}

thead th {
    background-color: var(--color-light-gray);
    font-weight: 600;
}

thead th:nth-child(n+3) {
    text-align: center;
}

td .flag-icon {
    margin-right: 8px;
    font-size: 1.2em;
}

tr:hover {
    background-color: var(--color-light-gray);
}

tr.archived {
    opacity: 0.6;
    background-color: #fafafa;
}

tr.archived td {
    text-decoration: line-through;
}

tr.archived td.menu-cell {
    text-decoration: none;
}

.name-cell {
    font-weight: 600;
    min-width: 180px;
}

.hire-date-cell {
    font-style: italic;
    min-width: 96px;
    max-width: 96px;
    text-align: center;
    color: var(--color-dark-gray);
}

/* --- Sticky Header & Columns --- */
header {
    position: sticky;
    top: 0;
    z-index: 20;
    background-color: #fff;
    padding-bottom: 16px;
    margin-bottom: 0;
}

thead th {
    position: sticky;
    top: 0;
    z-index: 10;
}

thead th:nth-child(2),
tbody td:nth-child(2) {
    position: sticky;
    left: 0;
    z-index: 5;
}

thead th:nth-child(2)::after,
tbody td:nth-child(2)::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: -1px;
    width: 30px;
    transform: translateX(100%);
    box-shadow: inset 10px 0 8px -8px rgba(0, 0, 0, 0.08);
    pointer-events: none;
}

tbody td:nth-child(2) {
    background-color: rgba(255, 255, 255, 0.85);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

tr.archived td:nth-child(2) {
    background-color: rgba(250, 250, 250, 0.95);
}

thead th:nth-child(2) {
    z-index: 11;
}

tbody td:nth-child(2)::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 0px;
    border-top: 1px solid var(--color-gray);
}

/* Anniversary Cell States */
.anniversary-cell {
    cursor: pointer;
    transition: background-color 0.2s ease;
    text-align: center;
    font-size: 13px;
    min-width: 120px;
    max-width: 8vw;
    line-height: 1.3;
    padding-left: 4px;
    padding-right: 4px;
}

.pin-given, .in-progress, .upcoming, .overdue {
    color: #fff;
    font-weight: bold;
    border-radius: 6px;
    border: 2px solid #fff;
}

.pin-given {
    background-color: var(--color-success) !important;
}

.in-progress {
    background-color: var(--color-primary) !important;
}

.upcoming {
    background-color: var(--color-warning);
    animation: pulse 2s infinite;
}

.overdue {
    background-color: var(--color-danger) !important;
}

.anniversary-cell .anniversary-date {
    font-weight: 600;
    font-size: 14px;
}

.anniversary-cell .anniversary-comment {
    font-size: 11px;
    color: #747474;
    font-weight: normal;
    font-style: italic;
    text-align: left;
    padding: 2px 6px;
    margin-top: 4px;
    white-space: normal;
    background-color: rgb(146 146 146 / 10%);
}

.anniversary-cell .anniversary-update-date {
    font-size: 10px;
    color: #969696;
    margin-top: 3px;
    text-align: center;
    font-weight: normal;
}

.pin-given .anniversary-comment,
.in-progress .anniversary-comment,
.upcoming .anniversary-comment,
.overdue .anniversary-comment {
    color: #fff;
    background-color: rgb(255 255 255 / 10%);
}

.pin-given .anniversary-update-date,
.in-progress .anniversary-update-date,
.upcoming .anniversary-update-date,
.overdue .anniversary-update-date {
    color: #e3e3e3;
}

/* Row & Cell Menu */
.menu-cell {
    position: relative;
    background: #fff;
}

.menu-toggle {
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    user-select: none;
    border-radius: 50%;
    background: none;
    border: none;
    color: var(--color-dark-gray);
}

.menu-toggle:hover {
    background-color: var(--color-gray);
}

/* 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);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 24px;
    border: 1px solid #888;
    width: 80%;
    max-width: 400px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.modal-content h2 {
    margin-top: 0;
}

.modal-content textarea {
    resize: vertical;
}

.modal-content label {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
    font-weight: 500;
}

.modal-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
}

.modal-buttons-right {
    display: flex;
    gap: 10px;
    margin-left: auto;
}

/* Context Menu */
#contextMenu, #anniversaryContextMenu {
    display: none;
    position: absolute;
    z-index: 1001;
    background-color: #fff;
    min-width: 180px;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    padding: 8px 0;
    border: 1px solid var(--color-gray);
}

.context-menu-item {
    padding: 10px 16px;
    font-size: 14px;
    cursor: pointer;
    display: block;
    color: var(--color-text);
    text-decoration: none;
}

.context-menu-item:hover {
    background-color: var(--color-light-gray);
}

.context-menu-item.delete,
.context-menu-item.delete:hover {
    color: var(--color-danger);
}

/* Toast Notification */
#toast-container {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    min-width: 250px;
    animation: toast-in-left 0.5s;
}

.toast.info {
    background-color: var(--color-primary);
}

.toast.success {
    background-color: var(--color-success);
}

.toast.error {
    background-color: var(--color-danger);
}

.toast-message {
    flex-grow: 1;
}

.toast-close-btn {
    background: none;
    border: none;
    color: #fff;
    opacity: 0.8;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    padding: 0 0 0 16px;
}

.toast-close-btn:hover {
    opacity: 1;
    background: none;
}

/* --- Utility Classes & Animations --- */
button.secondary {
    background-color: var(--color-light-gray);
    color: var(--color-text);
    border: 1px solid var(--color-gray);
}

button.secondary:hover {
    background-color: var(--color-gray);
}

button.danger {
    background-color: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

button.danger:hover {
    background-color: #ffebee;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 163, 65, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(239, 163, 65, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(239, 163, 65, 0);
    }
}

@keyframes toast-in-left {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-fade-out {
    animation: toast-out 0.5s forwards;
}

@keyframes toast-out {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        transform: translateX(-100%);
    }
}