/* ============================================
   ADMIN.CSS - Admin Panel Styles
   Personnel Leave Tracking System
   ============================================ */

/* ============================================
   ADMIN LAYOUT
   ============================================ */

.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    grid-column: 1;
    grid-row: 1;
}

.admin-main {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
}

/* ============================================
   ADMIN HEADER
   ============================================ */

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.admin-header-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.admin-header-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   ADMIN CONTENT
   ============================================ */

.admin-content {
    padding: 32px;
    animation: fadeIn var(--transition-normal) ease;
}

/* ============================================
   DASHBOARD GRID
   ============================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

/* ============================================
   TOOLBAR
   ============================================ */

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

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

.search-input {
    min-width: 280px;
}

/* ============================================
   PERSONNEL TABLE
   ============================================ */

.personnel-table .avatar-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.personnel-name {
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.personnel-username {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
}

.action-btns {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============================================
   PERSONNEL CARDS (Grid View)
   ============================================ */

.personnel-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.personnel-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-normal);
}

.personnel-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: translateY(-2px);
}

.personnel-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.personnel-card-info {
    flex: 1;
    min-width: 0;
}

.personnel-card-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.personnel-card-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.personnel-card-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.personnel-card-detail {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
}

.personnel-card-detail-label {
    color: var(--text-secondary);
}

.personnel-card-detail-value {
    color: var(--text-primary);
    font-weight: 500;
}

.personnel-card-actions {
    display: flex;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   AVATAR UPLOAD
   ============================================ */

.avatar-upload {
    position: relative;
    cursor: pointer;
    display: inline-block;
}

.avatar-upload .avatar {
    transition: all var(--transition-normal);
}

.avatar-upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
}

.avatar-upload:hover .avatar-upload-overlay {
    opacity: 1;
}

/* ============================================
   SALARY TABLE
   ============================================ */

.salary-table .deduction-none {
    color: var(--success);
}

.salary-table .deduction-some {
    color: var(--warning);
}

.salary-table .deduction-many {
    color: var(--error);
}

.salary-table .total-row {
    background: var(--bg-tertiary);
    font-weight: 600;
}

.salary-table .total-row td {
    border-top: 2px solid var(--border-glow);
}

/* ============================================
   SALARY CARD
   ============================================ */

.salary-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 600px;
    margin: 0 auto;
}

.salary-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.salary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 0.875rem;
}

.salary-label {
    color: var(--text-secondary);
}

.salary-value {
    color: var(--text-primary);
    font-weight: 500;
}

.salary-row.net-salary {
    padding-top: 16px;
    margin-top: 8px;
    border-top: 2px solid var(--accent-primary);
}

.salary-row.net-salary .salary-value {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.salary-hidden-message {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   RESIGNATION CARD
   ============================================ */

.resignation-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-normal);
}

.resignation-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: translateY(-2px);
}

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

.resignation-reason {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.resignation-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.resignation-actions {
    display: flex;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.resignation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 20px;
}

/* ============================================
   SETTINGS
   ============================================ */

.settings-form {
    max-width: 640px;
}

.settings-section {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.settings-section:last-child {
    border-bottom: none;
}

.settings-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.settings-actions {
    display: flex;
    gap: 12px;
    padding-top: 8px;
}

/* ============================================
   FILTER BAR
   ============================================ */

.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
}

/* ============================================
   SECTION TITLE
   ============================================ */

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

/* ============================================
   ACTIVITY LIST
   ============================================ */

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(108, 99, 255, 0.05);
    position: relative;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-primary);
    flex-shrink: 0;
    margin-top: 6px;
    position: relative;
}

.activity-dot::after {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: calc(100% + 22px);
    background: var(--border-color);
}

.activity-item:last-child .activity-dot::after {
    display: none;
}

.activity-text {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ============================================
   HAMBURGER BUTTON (Mobile)
   ============================================ */

.hamburger-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.hamburger-btn:hover {
    background: var(--bg-glass);
}

/* ============================================
   SIDEBAR OVERLAY (Mobile)
   ============================================ */

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.sidebar-overlay.show {
    display: block;
}

/* ============================================
   PERSONNEL TOP NAV (Personnel View)
   ============================================ */

.personnel-topnav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 64px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.topnav-brand {
    font-size: 1.125rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.topnav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topnav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background: none;
    font-family: var(--font-family);
    text-decoration: none;
}

.topnav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.topnav-link.active {
    color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.1);
}

.topnav-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topnav-user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================
   RESIGNATION (Personnel View)
   ============================================ */

.resign-container {
    max-width: 640px;
    margin: 0 auto;
    padding: 32px 20px;
}

.resign-warning {
    background: rgba(255, 82, 82, 0.1);
    border: 1px solid rgba(255, 82, 82, 0.2);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 24px;
    color: var(--error);
    font-size: 0.875rem;
    line-height: 1.6;
}

.resign-status-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
}

.resign-status-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.resign-status-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.resign-status-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 400px;
    margin: 0 auto;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-main {
        grid-column: 1;
        grid-row: 1;
        margin-left: 0;
    }

    .hamburger-btn {
        display: flex;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        grid-column: auto;
        grid-row: auto;
    }

    .sidebar.open {
        transform: translateX(0);
    }

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

    .personnel-cards {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

    /* Personnel top nav - stack links below on tablet */
    .personnel-topnav {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 20px;
        gap: 8px;
    }

    .topnav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
    }

    .topnav-links::-webkit-scrollbar {
        display: none;
    }
}

@media (max-width: 768px) {
    .admin-header {
        padding: 12px 16px;
        gap: 12px;
    }

    .admin-header-title {
        font-size: 1rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-width: 0;
        flex: 1;
    }

    .admin-header-user {
        flex-shrink: 0;
        gap: 8px;
        font-size: 0.8125rem;
    }

    .admin-content {
        padding: 16px;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .toolbar-left,
    .toolbar-right {
        justify-content: flex-start;
        width: 100%;
    }

    .toolbar-right {
        flex-wrap: wrap;
    }

    .search-input {
        min-width: auto;
        width: 100%;
    }

    .personnel-cards {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .personnel-topnav {
        padding: 10px 16px;
        gap: 6px;
    }

    .topnav-links {
        gap: 2px;
    }

    .topnav-link {
        padding: 6px 10px;
        font-size: 0.8125rem;
        white-space: nowrap;
    }

    .topnav-user-name {
        display: none;
    }

    .filter-bar {
        padding: 10px 12px;
        gap: 8px;
    }

    .filter-bar .input,
    .filter-bar .select {
        min-width: 0;
        flex: 1;
    }

    .resign-container {
        padding: 20px 16px;
    }

    /* Table responsive: horizontal scroll */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .table {
        min-width: 600px;
    }

    .settings-form {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .admin-content {
        padding: 12px;
    }

    .admin-header {
        padding: 10px 12px;
    }

    .admin-header-title {
        font-size: 0.9375rem;
    }

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

    .personnel-topnav {
        padding: 8px 12px;
    }

    .topnav-brand {
        font-size: 0.875rem;
    }

    .topnav-link {
        padding: 5px 8px;
        font-size: 0.75rem;
    }

    .personnel-card {
        padding: 16px;
    }

    .personnel-card-header {
        gap: 12px;
    }

    .salary-card {
        padding: 20px;
    }

    .resign-status-card {
        padding: 24px;
    }

    .resign-status-icon {
        font-size: 2.5rem;
    }

    .modal {
        margin: 8px;
    }
}