:root {
    --bg-navy: #0B1220;
    --bg-navy-light: #151E30;
    --bg-navy-lighter: #1E293B;
    --accent-cyan: #22D3EE;
    --accent-cyan-hover: #06B6D4;
    --secondary-amber: #F5A524;
    --success-green: #10B981;
    --error-red: #EF4444;
    --text-white: #FFFFFF;
    --text-gray: #94A3B8;
    --text-muted: #64748B;
    --border-color: rgba(34, 211, 238, 0.12);
    --border-subtle: #2D3748;
    --sidebar-width: 260px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-navy);
    color: var(--text-white);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

body.sidebar-is-open {
    overflow: hidden;
}

/* -------------------------------------------------------------
   Login Page Styles
------------------------------------------------------------- */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: radial-gradient(circle at center, #151E30 0%, #0B1220 100%);
    padding: 1.5rem;
}

.login-card {
    background-color: var(--bg-navy-light);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.login-title {
    color: var(--accent-cyan);
    margin-bottom: 2rem;
    font-size: 1.75rem;
    font-weight: 700;
}

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

.form-label {
    display: block;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-navy);
    border: 1px solid var(--border-subtle);
    border-radius: 0.5rem;
    color: var(--text-white);
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

.btn-login, .btn-primary {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent-cyan);
    color: var(--bg-navy);
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

.btn-login:hover, .btn-primary:hover {
    background-color: var(--accent-cyan-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background-color: var(--bg-navy-lighter);
    color: var(--text-white);
    border: 1px solid var(--border-subtle);
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background-color: #334155;
}

.error-message {
    background-color: rgba(239, 68, 68, 0.12);
    color: var(--error-red);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    border: 1px solid rgba(239, 68, 68, 0.3);
    text-align: left;
}

/* -------------------------------------------------------------
   Admin Layout, Sidebar & Mobile Overlay
------------------------------------------------------------- */
.admin-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Sidebar Backdrop Overlay for Mobile */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(3px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-navy-light);
    border-right: 1px solid var(--border-color);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    color: var(--accent-cyan);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 1.75rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
}

.sidebar-close-btn:hover {
    color: var(--accent-cyan);
}

.sidebar-nav {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
}

.sidebar-nav-item {
    margin: 0.35rem 1rem;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-gray);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.sidebar-nav-link:hover, .sidebar-nav-link.active {
    background-color: rgba(34, 211, 238, 0.12);
    color: var(--accent-cyan);
}

.nav-icon {
    font-size: 1.1rem;
}

/* -------------------------------------------------------------
   Main Content & Top Header
------------------------------------------------------------- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.top-header {
    height: 64px;
    background-color: var(--bg-navy-light);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    border-bottom: 1px solid var(--border-color);
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 38px;
    height: 38px;
    background: var(--bg-navy);
    border: 1px solid var(--border-subtle);
    border-radius: 0.375rem;
    padding: 8px 7px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.hamburger-menu:hover {
    border-color: var(--accent-cyan);
}

.hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-white);
    border-radius: 2px;
    transition: all 0.2s ease;
}

.mobile-logo-text {
    display: none;
}

.user-info {
    font-size: 0.9rem;
    color: var(--text-gray);
}

.user-info strong {
    color: var(--accent-cyan);
}

.content-body {
    padding: 2rem;
    flex: 1;
}

/* -------------------------------------------------------------
   Page Header & Export Toolbar
------------------------------------------------------------- */
.page-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    color: var(--text-white);
    font-size: 1.5rem;
    font-weight: 600;
}

.export-section {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-export {
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    border: none;
    white-space: nowrap;
}

.btn-export-copy {
    background-color: #6366F1;
    color: white;
}

.btn-export-excel {
    background-color: var(--success-green);
    color: white;
}

.btn-export-pdf {
    background-color: var(--secondary-amber);
    color: var(--bg-navy);
}

.btn-export:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* -------------------------------------------------------------
   Filters Container
------------------------------------------------------------- */
.filters-container {
    background-color: var(--bg-navy-light);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1.2fr 1fr 1fr auto;
    gap: 1rem;
    align-items: flex-end;
}

.filter-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-bottom: 0.35rem;
    font-weight: 500;
}

.btn-reset-filters {
    padding: 0.75rem 1.25rem;
    background-color: var(--bg-navy-lighter);
    color: var(--text-gray);
    border: 1px solid var(--border-subtle);
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    height: 44px;
    white-space: nowrap;
}

.btn-reset-filters:hover {
    color: var(--text-white);
    border-color: var(--text-gray);
}

/* -------------------------------------------------------------
   DataTables & Data Table (Desktop Base)
------------------------------------------------------------- */
.data-table-wrapper {
    background-color: var(--bg-navy-light);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100% !important;
    border-collapse: collapse;
    color: var(--text-white);
    font-size: 0.9rem;
}

.data-table th {
    background-color: var(--bg-navy);
    color: var(--accent-cyan);
    font-weight: 600;
    text-align: left;
    padding: 1rem 0.875rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 0.875rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: middle;
}

.data-table tbody tr:hover {
    background-color: rgba(34, 211, 238, 0.04);
}

/* Desktop Defaults for labels */
.cell-label {
    display: none;
}

.action-label {
    display: none;
}

.btn-text {
    display: none;
}

.touch-phone {
    color: var(--text-white);
    text-decoration: none;
}

/* DataTables pagination and info */
.dataTables_wrapper .dataTables_info {
    color: var(--text-gray) !important;
    font-size: 0.85rem;
    padding-top: 1rem;
}

.dataTables_wrapper .dataTables_paginate {
    padding-top: 1rem;
    display: flex;
    gap: 0.25rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 0.35rem 0.75rem !important;
    border-radius: 0.375rem !important;
    border: 1px solid var(--border-subtle) !important;
    background: var(--bg-navy) !important;
    color: var(--text-gray) !important;
    cursor: pointer !important;
    transition: all 0.2s ease;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--accent-cyan) !important;
    color: var(--bg-navy) !important;
    border-color: var(--accent-cyan) !important;
}

/* -------------------------------------------------------------
   Status Pills & Badges
------------------------------------------------------------- */
.status-pill {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.status-pending {
    background-color: rgba(245, 165, 36, 0.15);
    color: #F5A524;
    border: 1px solid rgba(245, 165, 36, 0.3);
}

.status-approved {
    background-color: rgba(34, 211, 238, 0.15);
    color: #22D3EE;
    border: 1px solid rgba(34, 211, 238, 0.3);
}

.status-complete {
    background-color: rgba(16, 185, 129, 0.15);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-reject {
    background-color: rgba(239, 68, 68, 0.15);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* -------------------------------------------------------------
   Action Buttons in Table (Desktop)
------------------------------------------------------------- */
.action-container {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: nowrap;
}

.status-change-wrap {
    display: inline-flex;
    align-items: center;
}

.action-buttons-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.status-select {
    padding: 0.35rem 0.5rem;
    background-color: var(--bg-navy);
    border: 1px solid var(--border-subtle);
    border-radius: 0.375rem;
    color: var(--text-white);
    font-size: 0.8rem;
    cursor: pointer;
}

.status-select:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.btn-action {
    padding: 0.4rem 0.55rem;
    background-color: var(--bg-navy);
    border: 1px solid var(--border-subtle);
    border-radius: 0.375rem;
    color: var(--text-gray);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
    line-height: 1;
    min-width: 32px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-action:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-1px);
}

.btn-action.btn-delete:hover {
    border-color: var(--error-red);
    background-color: rgba(239, 68, 68, 0.1);
}

.btn-action.btn-whatsapp:hover {
    border-color: #25D366;
    background-color: rgba(37, 211, 102, 0.1);
}

.btn-action.btn-copy:hover {
    border-color: #6366F1;
    background-color: rgba(99, 102, 241, 0.15);
}

/* -------------------------------------------------------------
   Modals (Mobile Responsive)
------------------------------------------------------------- */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 1rem;
}

.modal-card {
    background-color: var(--bg-navy-light);
    border: 1px solid var(--border-color);
    border-radius: 0.875rem;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-navy-light);
    z-index: 10;
}

.modal-title {
    color: var(--accent-cyan);
    font-size: 1.15rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem;
}

.modal-close:hover {
    color: var(--text-white);
}

.modal-body {
    padding: 1.5rem;
}

.modal-card form {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.modal-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.25rem 0;
}

.notes-timeline {
    max-height: 220px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.note-item {
    background-color: var(--bg-navy);
    padding: 0.75rem;
    border-radius: 0.5rem;
    border-left: 3px solid var(--accent-cyan);
}

.note-text {
    color: var(--text-white);
    font-size: 0.875rem;
    white-space: pre-wrap;
}

.note-time {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 0.35rem;
}

/* -------------------------------------------------------------
   Toast Alerts
------------------------------------------------------------- */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    max-width: 90vw;
    background-color: var(--bg-navy-lighter);
    color: var(--text-white);
    padding: 0.875rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(10px);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.toast.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.toast-success {
    border-color: var(--success-green);
    background-color: #064e3b;
}

.toast-error {
    border-color: var(--error-red);
    background-color: #7f1d1d;
}

/* =============================================================
   RESPONSIVE BREAKPOINTS & MOBILE CARD TRANSFORMATION
============================================================= */
@media (max-width: 1024px) {
    .filters-container {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
    .filter-btn-group {
        grid-column: span 4;
    }
}

@media (max-width: 768px) {
    /* Mobile Header & Sidebar */
    .hamburger-menu {
        display: flex;
    }

    .mobile-logo-text {
        display: block;
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--accent-cyan);
        white-space: nowrap;
    }

    .sidebar-close-btn {
        display: block;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        height: 100vh;
        width: 280px;
        max-width: 82vw;
        z-index: 1050;
        transform: translateX(-100%);
        box-shadow: none;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.8);
    }

    .top-header {
        padding: 0 1rem;
        height: 60px;
    }

    .user-info {
        font-size: 0.8rem;
    }

    .content-body {
        padding: 1.25rem 0.875rem;
    }

    .page-header-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .export-section {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
        width: 100%;
    }

    .btn-export {
        justify-content: center;
        padding: 0.6rem 0.5rem;
        font-size: 0.75rem;
    }

    /* Mobile Filters */
    .filters-container {
        grid-template-columns: 1fr 1fr;
        padding: 1rem;
        gap: 0.75rem;
    }

    .filter-search-group,
    .filter-status-group,
    .filter-btn-group {
        grid-column: span 2;
    }

    .filter-date-from,
    .filter-date-to {
        grid-column: span 1;
    }

    .btn-reset-filters {
        width: 100%;
    }

    /* -------------------------------------------------------------
       TABLE TO MOBILE CARDS TRANSFORMATION
    ------------------------------------------------------------- */
    .data-table-wrapper {
        padding: 0 !important;
        background: transparent !important;
        border: none !important;
        overflow: visible !important;
    }

    .registration-table {
        display: block !important;
        width: 100% !important;
        border: none !important;
    }

    .registration-table thead {
        display: none !important; /* Hide squeezed table header */
    }

    .registration-table tbody {
        display: flex !important;
        flex-direction: column !important;
        gap: 1rem !important;
        width: 100% !important;
    }

    .registration-table tbody tr {
        display: block !important;
        width: 100% !important;
        background-color: var(--bg-navy-light) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 0.875rem !important;
        padding: 1.25rem !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3) !important;
    }

    .registration-table tbody tr:hover {
        background-color: var(--bg-navy-light) !important;
    }

    .registration-table td {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 0.55rem 0 !important;
        border: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
        font-size: 0.9rem !important;
        text-align: right !important;
    }

    .cell-label {
        display: inline-block !important;
        font-weight: 500 !important;
        color: var(--text-gray) !important;
        font-size: 0.85rem !important;
        text-align: left !important;
        flex-shrink: 0 !important;
    }

    .cell-val {
        display: inline-block !important;
        color: var(--text-white) !important;
        word-break: break-word !important;
    }

    .cell-name {
        font-weight: 600 !important;
        color: var(--text-white) !important;
        font-size: 1rem !important;
    }

    .cell-id {
        color: var(--accent-cyan) !important;
        font-weight: 700 !important;
    }

    .touch-phone {
        color: var(--accent-cyan) !important;
        text-decoration: none !important;
        font-weight: 600 !important;
        padding: 3px 8px !important;
        background: rgba(34, 211, 238, 0.1) !important;
        border-radius: 4px !important;
        display: inline-block !important;
    }

    /* Action Container on Mobile Cards */
    .registration-table td:last-child {
        display: block !important;
        padding-top: 1rem !important;
        padding-bottom: 0 !important;
        border-bottom: none !important;
    }

    .action-container {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.85rem !important;
        width: 100% !important;
    }

    .status-change-wrap {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 0.75rem !important;
        background: var(--bg-navy) !important;
        padding: 0.5rem 0.75rem !important;
        border-radius: 0.5rem !important;
        border: 1px solid var(--border-subtle) !important;
        width: 100% !important;
    }

    .action-label {
        display: inline-block !important;
        font-size: 0.85rem !important;
        color: var(--text-gray) !important;
        font-weight: 600 !important;
    }

    .status-select {
        flex: 1 !important;
        max-width: 150px !important;
        height: 38px !important;
        font-size: 0.875rem !important;
        font-weight: 600 !important;
    }

    .action-buttons-wrap {
        display: grid !important;
        grid-template-columns: repeat(5, 1fr) !important;
        gap: 0.4rem !important;
        width: 100% !important;
    }

    .btn-action {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 3px !important;
        height: 48px !important;
        width: 100% !important;
        min-width: 0 !important;
        padding: 4px 2px !important;
        border-radius: 0.5rem !important;
        background-color: var(--bg-navy) !important;
        border: 1px solid var(--border-subtle) !important;
    }

    .btn-icon {
        font-size: 1.15rem !important;
        line-height: 1 !important;
    }

    .btn-text {
        display: block !important;
        font-size: 0.65rem !important;
        font-weight: 600 !important;
        color: var(--text-gray) !important;
        text-transform: uppercase !important;
        letter-spacing: 0.3px !important;
    }

    .btn-action:hover .btn-text,
    .btn-action:active .btn-text {
        color: var(--text-white) !important;
    }

    .btn-action.btn-whatsapp { border-color: rgba(37, 211, 102, 0.4) !important; }
    .btn-action.btn-copy { border-color: rgba(99, 102, 241, 0.4) !important; }
    .btn-action.btn-edit { border-color: rgba(34, 211, 238, 0.4) !important; }
    .btn-action.btn-notes { border-color: rgba(245, 165, 36, 0.4) !important; }
    .btn-action.btn-delete { border-color: rgba(239, 68, 68, 0.4) !important; }

    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .export-section {
        grid-template-columns: 1fr;
    }

    .btn-export {
        width: 100%;
    }

    .filters-container {
        grid-template-columns: 1fr;
    }

    .filter-date-from,
    .filter-date-to {
        grid-column: span 1;
    }

    .content-body {
        padding: 1rem 0.75rem;
    }

    .page-title {
        font-size: 1.25rem;
    }

    .user-info {
        display: none; /* Ultra-clean header on narrow phones */
    }

    .modal-card {
        padding: 0;
    }

    .modal-header {
        padding: 1rem;
    }

    .modal-card form, .modal-body {
        padding: 1rem;
    }
}