/* ==========================================================================
   ARV Task Board — Dashboard Stylesheet
   Version: 1.0.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    --arv-todo:         #2563EB;
    --arv-todo-light:   #EFF6FF;
    --arv-todo-border:  #BFDBFE;
    --arv-done:         #16A34A;
    --arv-done-light:   #F0FDF4;
    --arv-done-border:  #BBF7D0;
    --arv-urgent:       #DC2626;
    --arv-urgent-light: rgba(220, 38, 38, 0.04);
    --arv-bg:           #F8FAFC;
    --arv-surface:      #FFFFFF;
    --arv-border:       #E2E8F0;
    --arv-border-inner: #F1F5F9;
    --arv-text:         #1E293B;
    --arv-text-muted:   #64748B;
    --arv-text-light:   #94A3B8;
    --arv-hover-row:    #F8FAFC;
    --arv-radius:       10px;
    --arv-radius-sm:    6px;
    --arv-shadow:       0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --arv-shadow-md:    0 4px 16px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
    --arv-shadow-lg:    0 20px 40px rgba(0,0,0,0.14), 0 8px 16px rgba(0,0,0,0.08);
    --arv-transition:   150ms ease;
    --arv-font-size:    14px;
}

/* --------------------------------------------------------------------------
   Dashboard Wrapper
   -------------------------------------------------------------------------- */
.arv-dashboard {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 16px 40px;
    font-size: var(--arv-font-size);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--arv-text);
    line-height: 1.5;
    background: transparent;
    box-sizing: border-box;
}

.arv-dashboard *,
.arv-dashboard *::before,
.arv-dashboard *::after {
    box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   Header Bar
   -------------------------------------------------------------------------- */
.arv-db-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0 18px;
    gap: 16px;
}

.arv-db-title-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

.arv-db-icon {
    font-size: 28px;
    line-height: 1;
}

.arv-db-header h2 {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
    color: var(--arv-text);
    letter-spacing: -0.3px;
    line-height: 1.2;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.arv-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--arv-radius-sm);
    border: none;
    cursor: pointer;
    transition: background var(--arv-transition), transform var(--arv-transition), box-shadow var(--arv-transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
    font-family: inherit;
}

.arv-btn:focus-visible {
    outline: 2px solid var(--arv-todo);
    outline-offset: 2px;
}

.arv-btn:active {
    transform: translateY(1px);
}

.arv-btn-add {
    background: var(--arv-todo);
    color: #fff;
    padding: 10px 22px;
    font-size: 15px;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.30);
}

.arv-btn-add:hover {
    background: #1D4ED8;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.40);
}

.arv-btn-primary {
    background: var(--arv-todo);
    color: #fff;
}

.arv-btn-primary:hover {
    background: #1D4ED8;
}

.arv-btn-cancel {
    background: var(--arv-border);
    color: var(--arv-text-muted);
}

.arv-btn-cancel:hover {
    background: #CBD5E1;
    color: var(--arv-text);
}

/* The prominent Valider button in the table */
.arv-btn-valider-task {
    background: var(--arv-done);
    color: #fff;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 700;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(22, 163, 74, 0.28);
    border: none;
    cursor: pointer;
    transition: background var(--arv-transition), box-shadow var(--arv-transition);
    font-family: inherit;
}

.arv-btn-valider-task:hover {
    background: #15803D;
    box-shadow: 0 4px 10px rgba(22, 163, 74, 0.38);
}

.arv-btn-validate {
    background: var(--arv-done);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    padding: 12px 24px;
    box-shadow: 0 2px 8px rgba(22, 163, 74, 0.28);
}

.arv-btn-validate:hover {
    background: #15803D;
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.40);
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.arv-section {
    background: var(--arv-surface);
    border: 1px solid var(--arv-border);
    border-radius: var(--arv-radius);
    margin-bottom: 24px;
    box-shadow: var(--arv-shadow);
    overflow: hidden;
}

.arv-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 22px;
    border-bottom: 1px solid var(--arv-border);
}

.arv-section-todo .arv-section-header {
    background: var(--arv-todo-light);
}

.arv-section-done .arv-section-header {
    background: var(--arv-done-light);
}

.arv-section-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    flex: 1;
}

.arv-section-todo .arv-section-header h3 {
    color: var(--arv-todo);
}

.arv-section-done .arv-section-header h3 {
    color: var(--arv-done);
}

/* Colored dot indicator */
.arv-section-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.arv-dot-todo {
    background: var(--arv-todo);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.20);
}

.arv-dot-done {
    background: var(--arv-done);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.20);
}

/* Count badge */
.arv-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 8px;
    background: var(--arv-todo);
    color: #fff;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
}

.arv-count-done {
    background: var(--arv-done);
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.arv-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.arv-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--arv-font-size);
}

.arv-table thead tr {
    background: #F8FAFC;
    border-bottom: 2px solid var(--arv-border);
}

.arv-table thead th {
    padding: 11px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--arv-text-muted);
    white-space: nowrap;
}

.arv-table tbody tr {
    border-bottom: 1px solid var(--arv-border-inner);
    transition: background var(--arv-transition);
}

.arv-table tbody tr:last-child {
    border-bottom: none;
}

.arv-table tbody tr:hover {
    background: var(--arv-hover-row);
}

.arv-table tbody td {
    padding: 13px 16px;
    vertical-align: middle;
    font-size: 14px;
    color: var(--arv-text);
}

/* Urgent row highlight */
.arv-row-urgent {
    background: var(--arv-urgent-light) !important;
}

.arv-row-urgent:hover {
    background: rgba(220, 38, 38, 0.07) !important;
}

/* Column widths */
.arv-col-date     { width: 110px; white-space: nowrap; color: var(--arv-text-muted); font-size: 13px; }
.arv-col-name     { min-width: 160px; font-weight: 600; }
.arv-col-desc     { min-width: 180px; color: var(--arv-text-muted); }
.arv-col-due      { width: 120px; white-space: nowrap; }
.arv-col-files    { min-width: 120px; }
.arv-col-action   { width: 100px; text-align: center; }
.arv-col-validator { width: 130px; white-space: nowrap; color: var(--arv-text-muted); font-size: 13px; }

/* Empty / loading rows */
.arv-empty-row,
.arv-loading-row td {
    text-align: center;
    color: var(--arv-text-muted);
    padding: 28px 16px !important;
    font-size: 15px;
}

.arv-error-row {
    color: var(--arv-urgent) !important;
}

/* --------------------------------------------------------------------------
   Badges & Labels
   -------------------------------------------------------------------------- */
.arv-badge-urgent {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: var(--arv-urgent);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 6px;
    white-space: nowrap;
}

.arv-due-date {
    font-weight: 600;
    font-size: 13px;
}

.arv-due-late {
    color: var(--arv-urgent);
}

.arv-late-label {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    color: var(--arv-urgent);
    background: rgba(220, 38, 38, 0.10);
    padding: 1px 6px;
    border-radius: 3px;
    margin-left: 4px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.arv-check-icon {
    font-size: 13px;
}

/* --------------------------------------------------------------------------
   File Links
   -------------------------------------------------------------------------- */
.arv-files-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.arv-file-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: #F1F5F9;
    color: var(--arv-todo);
    border: 1px solid var(--arv-border);
    border-radius: 99px;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: background var(--arv-transition), border-color var(--arv-transition);
}

.arv-file-link:hover {
    background: var(--arv-todo-light);
    border-color: var(--arv-todo-border);
    text-decoration: none;
    color: var(--arv-todo);
}

.arv-no-files {
    color: var(--arv-text-light);
    font-size: 13px;
}

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */
.arv-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.arv-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.arv-modal-dialog {
    position: relative;
    z-index: 1;
    background: var(--arv-surface);
    border-radius: 14px;
    box-shadow: var(--arv-shadow-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: arv-modal-in 220ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes arv-modal-in {
    from {
        opacity: 0;
        transform: scale(0.94) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.arv-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px 16px;
    border-bottom: 1px solid var(--arv-border);
    background: var(--arv-todo-light);
    flex-shrink: 0;
}

.arv-modal-header-validate {
    background: var(--arv-done-light);
}

.arv-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--arv-text);
}

.arv-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    color: var(--arv-text-muted);
    padding: 4px 8px;
    border-radius: 6px;
    transition: background var(--arv-transition), color var(--arv-transition);
    font-family: inherit;
}

.arv-modal-close:hover {
    background: rgba(0,0,0,0.06);
    color: var(--arv-text);
}

.arv-modal-body {
    padding: 22px;
    overflow-y: auto;
    flex: 1;
}

/* Prevent body scroll when modal is open */
body.arv-modal-open {
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   Form Elements
   -------------------------------------------------------------------------- */
.arv-form-field {
    margin-bottom: 18px;
}

.arv-form-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--arv-text);
    margin-bottom: 6px;
}

.arv-label-hint {
    font-weight: 400;
    color: var(--arv-text-muted);
}

.arv-required {
    color: var(--arv-urgent);
}

.arv-form-field input[type="text"],
.arv-form-field input[type="date"],
.arv-form-field textarea {
    width: 100%;
    padding: 10px 13px;
    font-size: 14px;
    border: 1.5px solid var(--arv-border);
    border-radius: var(--arv-radius-sm);
    background: var(--arv-surface);
    color: var(--arv-text);
    transition: border-color var(--arv-transition), box-shadow var(--arv-transition);
    font-family: inherit;
    outline: none;
}

.arv-form-field input[type="text"]::placeholder,
.arv-form-field textarea::placeholder {
    color: var(--arv-text-light);
}

.arv-form-field input[type="text"]:focus,
.arv-form-field input[type="date"]:focus,
.arv-form-field textarea:focus {
    border-color: var(--arv-todo);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.arv-form-field textarea {
    resize: vertical;
    min-height: 80px;
}

.arv-form-row {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.arv-form-row .arv-form-field {
    flex: 1;
}

.arv-field-urgent {
    flex: 0 0 auto !important;
    min-width: 90px;
}

/* Toggle Switch */
.arv-switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
    cursor: pointer;
}

.arv-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.arv-switch-slider {
    position: absolute;
    inset: 0;
    background: #CBD5E1;
    border-radius: 26px;
    transition: background 200ms;
}

.arv-switch-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform 200ms;
    box-shadow: 0 1px 4px rgba(0,0,0,0.18);
}

.arv-switch input:checked + .arv-switch-slider {
    background: var(--arv-urgent);
}

.arv-switch input:checked + .arv-switch-slider::before {
    transform: translateX(20px);
}

.arv-switch input:focus-visible + .arv-switch-slider {
    outline: 2px solid var(--arv-todo);
    outline-offset: 2px;
}

/* File Drop Zone */
.arv-file-drop {
    position: relative;
    border: 2px dashed var(--arv-border);
    border-radius: var(--arv-radius-sm);
    padding: 18px 16px 12px;
    background: #FAFBFC;
    transition: border-color var(--arv-transition), background var(--arv-transition);
    cursor: pointer;
}

.arv-file-drop:hover,
.arv-file-drop--over {
    border-color: var(--arv-todo);
    background: var(--arv-todo-light);
}

.arv-file-drop input[type="file"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.arv-file-drop-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--arv-text-muted);
    font-size: 14px;
    font-weight: 500;
    pointer-events: none;
    user-select: none;
}

.arv-file-list {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    pointer-events: none;
}

.arv-file-list-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 6px;
    border-radius: 4px;
    font-size: 12px;
    background: rgba(255,255,255,0.8);
    margin-bottom: 3px;
}

.arv-file-icon { flex-shrink: 0; font-size: 14px; }
.arv-file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--arv-text); }
.arv-file-size { flex-shrink: 0; color: var(--arv-text-muted); }

/* Form actions row */
.arv-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--arv-border);
}

/* --------------------------------------------------------------------------
   Validate Task Info Card & Confirm Box
   -------------------------------------------------------------------------- */
.arv-task-info-card {
    background: var(--arv-bg);
    border: 1px solid var(--arv-border);
    border-radius: var(--arv-radius-sm);
    padding: 12px 16px;
    margin-bottom: 18px;
    font-size: 14px;
}

.arv-task-info-label {
    color: var(--arv-text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.arv-confirm-box {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--arv-done-light);
    border: 1px solid var(--arv-done-border);
    border-radius: var(--arv-radius-sm);
    padding: 14px 18px;
    margin: 18px 0 0;
}

.arv-confirm-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.arv-confirm-box p {
    margin: 0;
    font-size: 14px;
    color: #166534;
    line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Toast Notifications
   -------------------------------------------------------------------------- */
.arv-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999999;
    padding: 14px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    box-shadow: var(--arv-shadow-md);
    max-width: 360px;
    word-wrap: break-word;
    opacity: 0;
    transform: translateX(calc(100% + 24px));
    transition: opacity 300ms ease, transform 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.arv-toast--visible {
    opacity: 1;
    transform: translateX(0);
}

.arv-toast--hiding {
    opacity: 0;
    transform: translateX(calc(100% + 24px));
    transition: opacity 300ms ease, transform 300ms ease;
}

.arv-toast-success {
    background: linear-gradient(135deg, #16A34A, #15803D);
}

.arv-toast-error {
    background: linear-gradient(135deg, #DC2626, #B91C1C);
}

/* --------------------------------------------------------------------------
   Responsive — Tablet
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .arv-db-header h2 {
        font-size: 22px;
    }

    .arv-table thead th,
    .arv-table tbody td {
        padding: 10px 12px;
    }

    .arv-col-desc {
        display: none;
    }

    .arv-section-header h3 {
        font-size: 18px;
    }
}

/* --------------------------------------------------------------------------
   Responsive — Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
    .arv-dashboard {
        padding: 0 8px 28px;
    }

    .arv-db-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 16px 0 14px;
    }

    .arv-btn-add {
        width: 100%;
        justify-content: center;
    }

    .arv-section-header {
        padding: 12px 14px;
    }

    .arv-section-header h3 {
        font-size: 16px;
    }

    .arv-table thead th,
    .arv-table tbody td {
        padding: 9px 10px;
        font-size: 13px;
    }

    /* Hide less important columns on mobile */
    .arv-col-date {
        display: none;
    }

    .arv-col-files {
        display: none;
    }

    .arv-modal-dialog {
        max-width: 100%;
        margin: 0;
        border-radius: 14px 14px 0 0;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 92vh;
    }

    .arv-modal {
        align-items: flex-end;
        padding: 0;
    }

    @keyframes arv-modal-in {
        from {
            opacity: 0;
            transform: translateY(40px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .arv-form-row {
        flex-direction: column;
        gap: 0;
    }

    .arv-toast {
        left: 10px;
        right: 10px;
        max-width: none;
        transform: translateY(-80px);
    }

    .arv-toast--visible {
        transform: translateY(0);
    }

    .arv-toast--hiding {
        transform: translateY(-80px);
    }

    .arv-form-actions {
        flex-direction: column-reverse;
    }

    .arv-form-actions .arv-btn {
        width: 100%;
        justify-content: center;
    }
}

/* --------------------------------------------------------------------------
   Validated (done) table specific styles
   -------------------------------------------------------------------------- */
.arv-table-done tbody tr {
    opacity: 0.88;
}

.arv-table-done tbody tr:hover {
    opacity: 1;
}

.arv-row-done .arv-col-name {
    font-weight: 500;
    color: var(--arv-text-muted);
}

/* --------------------------------------------------------------------------
   Admin Overrides (when CSS is also loaded on admin pages)
   -------------------------------------------------------------------------- */
#wpbody-content .arv-dashboard {
    padding: 0 0 20px;
}