:root {
    --bg-color: #0d0e12;
    --bg-accent: #1a1b26;
    --sidebar-bg: #15171e;
    --card-bg: #1c1f26;
    --primary: #ff6200;
    --primary-accent: #ff6200;
    --primary-hover: var(--primary-accent);
    --secondary: #2d303e;
    --text-main: #e1e2e6;
    --text-muted: #9ba1b0;
    --border: #2d303e;
    --success: #00c853;
    --error: #ff5252;
    --warning: #ffd740;
    --topbar-bg: #0d0e12;
    --modal-overlay: #000000;
    --input-focus-bg: #1a1b24;
    --secondary-hover: #3d4154;
    --whatsapp: #25d366;
    --shadow-color: #000000;
    --glass-color: #ffffff;
    --text-on-primary: #ffffff;
    --radius: 12px;
    --shadow: 0 8px 30px color-mix(in srgb, var(--shadow-color), transparent 70%);
    --glass: color-mix(in srgb, var(--glass-color), transparent 97%);
    --glass-border: color-mix(in srgb, var(--glass-color), transparent 95%);
    --sidebar-width: 260px;
    --topbar-height: 64px;
}

body.light-theme {
    --bg-color: #f8f9fa;
    --bg-accent: #e2e8f0;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --primary: #7c4dff;
    --primary-accent: #b388ff;
    --primary-hover: var(--primary-accent);
    --secondary: #f1f5f9;
    --secondary-hover: #e2e8f0;
    --topbar-bg: #ffffff;
    --modal-overlay: #000000;
    --input-focus-bg: #ffffff;
    --text-main: #1a1d23;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --whatsapp: #128c7e;
    --shadow-color: #000000;
    --glass-color: #000000;
    --text-on-primary: #ffffff;
    --shadow: 0 4px 20px color-mix(in srgb, var(--shadow-color), transparent 92%);
    --glass: color-mix(in srgb, var(--glass-color), transparent 98%);
    --glass-border: color-mix(in srgb, var(--glass-color), transparent 95%);
}

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

html, body {
    height: 100%;
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    -webkit-tap-highlight-color: transparent;
}

body {
    overflow: hidden;
}

/* ─── App Shell ──────────────────────────────────────── */
#app {
    display: flex;
    height: 100dvh;
    height: 100vh;
    overflow: hidden;
}

/* ─── Sidebar Overlay (mobile) ───────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--modal-overlay);
    z-index: 40;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
@media (max-width: 767px) {
    .sidebar-overlay.active {
        display: block;
    }
}

/* ─── Sidebar ────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 0 16px 20px;
    transition: all 0.3s cubic-bezier(.4,0,.2,1);
    z-index: 50;
    overflow-y: auto;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .sidebar {
        margin-left: 0;
        transition: margin-left 0.3s cubic-bezier(.4,0,.2,1), opacity 0.3s;
    }
    .sidebar:not(.open) {
        margin-left: calc(-1 * var(--sidebar-width));
        opacity: 0;
        pointer-events: none;
    }
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 8px 32px;
}

.sidebar-close-btn {
    display: none; /* hidden on desktop */
}

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

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-accent));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    color: var(--text-on-primary);
    box-shadow: 0 4px 15px color-mix(in srgb, var(--shadow-color), transparent 80%);
    flex-shrink: 0;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-item:hover {
    background-color: var(--secondary);
    color: var(--text-main);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-accent));
    color: var(--text-on-primary);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--shadow-color), transparent 85%);
}

.nav-item i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.user-profile {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.avatar {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-on-primary);
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* ─── Main Content ───────────────────────────────────── */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: radial-gradient(circle at top right, var(--bg-accent), var(--bg-color));
    min-width: 0;
}

/* ─── Top Bar ────────────────────────────────────────── */
.top-bar {
    height: var(--topbar-height);
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background-color: color-mix(in srgb, var(--topbar-bg), transparent 15%);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    flex-shrink: 0;
    gap: 12px;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1;
}

.top-bar h1,
#page-title {
    font-size: 20px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hamburger-btn {
    display: inline-flex !important; 
    flex-shrink: 0;
    cursor: pointer;
}

.top-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* Hide text label inside buttons on small widths */
.btn-label {
    white-space: nowrap;
}

/* ─── Content Area ───────────────────────────────────── */
.content-area {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 24px;
    -webkit-overflow-scrolling: touch;
}

/* ─── Buttons ────────────────────────────────────────── */
.btn {
    padding: 9px 18px;
    border-radius: var(--radius);
    border: none;
    font-family: inherit;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-accent));
    color: var(--text-on-primary);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--shadow-color), transparent 85%);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px color-mix(in srgb, var(--shadow-color), transparent 80%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--text-main);
}

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

.icon-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    min-height: 36px;
}

.icon-btn:hover {
    background-color: var(--secondary);
    color: var(--text-main);
}

.change-pass {
    color: var(--primary-accent)!important;
}

/* ─── List Layout ────────────────────────────────────── */
.list-header, .view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
}

.list-header-left, .view-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.list-header-right, .view-header-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

@media (max-width: 768px) {
    .list-header, .view-header {
        flex-direction: column;
        align-items: stretch; /* Stretch to occupy full width */
        gap: 15px;
    }

    .list-header-left, .list-header-right,
    .view-header-left, .view-header-right {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
    }

    .view-header-right {
        gap: 10px;
        justify-content: flex-end; /* Align record view buttons to right */
    }

    .list-header-right {
        gap: 10px;
        justify-content: flex-start;
    }

    .list-header-right .search-wrapper {
        flex: 1;
        min-width: 200px;
    }

    .list-header-right #list-search {
        width: 100% !important;
    }

    .list-header-right .btn, .view-header-right .btn {
        flex: 1;
        justify-content: center;
    }
}

/* ─── Cards ──────────────────────────────────────────── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* ─── Data Table ─────────────────────────────────────── */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
    margin-top: 16px;
}

.data-table {
    width: 100%;
    min-width: 600px; /* prevents table collapse */
    border-collapse: collapse;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: normal;
    word-break: break-word;
    min-width: 80px; /* base width */
    position: relative; /* for resizer */
}

.data-table td:last-child {
    white-space: nowrap;
    max-width: none;
}

.data-table th {
    background-color: var(--glass);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    position: sticky;
    top: 0;
    z-index: 1;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
}

.data-table th:hover {
    background-color: var(--secondary-hover);
}

.resizer {
    position: absolute;
    right: -2px; /* Center handle over border */
    top: 0;
    height: 100%;
    width: 12px; /* Increased hit area for touch */
    cursor: col-resize;
    z-index: 2;
    touch-action: none; /* Crucial for mobile: prevents scroll while resizing */
}

.resizer:active, .resizing .resizer {
    border-right: 3px solid var(--primary);
    background-color: color-mix(in srgb, var(--primary), transparent 80%);
}

.sort-icon {
    display: inline-flex;
    margin-left: 6px;
    opacity: 0.5;
}

.data-table th:hover .sort-icon {
    opacity: 1;
}

.data-table tr:hover {
    background-color: var(--glass);
}

/* ─── Modals ─────────────────────────────────────────── */
.modal-container {
    position: fixed;
    inset: 0;
    background-color: color-mix(in srgb, var(--modal-overlay), transparent 30%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 16px;
}

.modal {
    background-color: var(--sidebar-bg);
    width: 100%;
    max-width: 600px;
    border-radius: 20px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    max-height: 90dvh;
    max-height: 90vh;
}

.modal-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
    -webkit-overflow-scrolling: touch;
}

.modal-footer {
    padding: 16px 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.close-modal {
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 8px;
    transition: all 0.2s;
}
.close-modal:hover {
    background-color: var(--secondary);
    color: var(--text-main);
}

/* ─── Forms ──────────────────────────────────────────── */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    background-color: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 15px;
    transition: all 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--input-focus-bg);
    box-shadow: 0 0 0 3px var(--glass-border);
}

/* ─── Utilities ──────────────────────────────────────── */
.hidden { display: none !important; }

.text-muted { color: var(--text-muted); }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 600;
}

/* ─── Loader ─────────────────────────────────────────── */
.loader {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 80px auto;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ─── Toast ──────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    left: auto;
    max-width: calc(100vw - 48px);
    padding: 14px 20px;
    border-radius: var(--radius);
    background-color: var(--card-bg);
    color: var(--primary);
    box-shadow: var(--shadow);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 4px solid var(--primary);
    animation: slideIn 0.3s ease-out;
    font-size: 14px;
}

@keyframes slideIn {
    from { transform: translateX(110%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

/* ─── Lookup ─────────────────────────────────────────── */
.lookup-wrapper {
    position: relative;
}

.lookup-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--sidebar-bg);
    border: 1px solid var(--border);
    border-radius: 0 0 10px 10px;
    z-index: 1000;
    max-height: 220px;
    overflow-y: auto;
    box-shadow: var(--shadow);
    -webkit-overflow-scrolling: touch;
}

.suggestion-item {
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.2s;
    font-size: 14px;
}

.suggestion-item:hover,
.suggestion-item:active {
    background: var(--glass);
    color: var(--primary);
}

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

/* ─── Sortable (drag) ────────────────────────────────── */
.sortable-item {
    cursor: move;
    user-select: none;
}
.sortable-item.dragging {
    opacity: 0.5;
    background: var(--glass);
}

/* ─── Inline edit cell ───────────────────────────────── */
.inline-edit {
    position: relative;
}

.inline-edit input,
.inline-edit select {
    min-width: 80px;
}


/* ─── Tabs ───────────────────────────────────────────── */
.nav-tab {
    background: none;
    border: none;
    padding: 10px 20px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.nav-tab:hover {
    color: var(--text-main);
}
.nav-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* WhatsApp Section */
.whatsapp-section {
    grid-column: span 2;
    margin-top: 20px;
    padding: 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
}
.whatsapp-section h4 {
    color: var(--whatsapp);
    margin: 0 0 15px 0;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.whatsapp-preview-box {
    background: var(--bg-body);
    border: 1px solid var(--border);
    padding: 15px;
    border-radius: 8px;
    margin: 12px 0;
    font-size: 14px;
    line-height: 1.5;
    white-space: pre-wrap;
    min-height: 40px;
}
.whatsapp-preview-box:empty::before {
    content: "Selecione um template para ver a prévia...";
    color: var(--text-muted);
    font-style: italic;
}

/* ─── RESPONSIVE ─────────────────────────────────────── */

/* Tablet — hide sidebar text, show icons only (optional – skip for now, keep full sidebar) */
@media (max-width: 1024px) {
    .content-area {
        padding: 16px;
    }
    .top-bar {
        padding: 0 16px;
    }
}

/* Mobile ─ < 768px */
@media (max-width: 767px) {
    body {
        overflow: auto;
    }

    #app {
        flex-direction: column;
        height: 100dvh;
        height: 100vh;
    }

    /* Sidebar becomes a slide-in drawer */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        width: min(300px, 85vw);
        transform: translateX(-100%);
        box-shadow: 4px 0 30px color-mix(in srgb, var(--shadow-color), transparent 70%);
        padding-bottom: env(safe-area-inset-bottom, 16px);
    }

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

    .sidebar-close-btn {
        display: flex; /* show X button inside sidebar on mobile */
    }

    .hamburger-btn {
        display: inline-flex; /* show ☰ in top bar on mobile */
    }

    /* Top bar */
    .top-bar {
        height: auto;
        min-height: 56px;
        padding: 8px 12px;
        position: sticky;
        top: 0;
        flex-shrink: 0;
        flex-wrap: wrap; /* allow title and buttons to wrap if needed */
    }

    .top-actions {
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 6px;
    }

    #page-title {
        font-size: 17px;
    }

    /* Keep text in action buttons visible on mobile */
    .btn-label {
        display: inline;
    }
    .btn-icon-only {
        padding: 9px 10px;
    }
    .btn-icon-only i {
        margin: 0;
    }

    /* Content */
    .main-content {
        flex: 1;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .content-area {
        padding: 12px;
        flex: 1;
        overflow-y: auto;
    }

    /* Table: horizontal scroll */
    .table-wrapper {
        margin-top: 12px;
        border-radius: 10px;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
        font-size: 13px;
        max-width: 140px;
    }

    /* Modals: fullscreen on mobile */
    .modal-container {
        padding: 4px;
        /*align-items: flex-end;*/
    }

    .modal {
        border-radius: 20px 20px 20px 20px;
        max-height: 92dvh;
        max-height: 92vh;
        width: 100%;
        max-width: 100%;
    }

    .modal-body {
        padding: 16px;
    }

    .modal-header {
        padding: 16px;
    }

    .modal-footer {
        padding: 12px 16px;
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }

    /* Cards */
    .card-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .card {
        padding: 16px;
    }

    /* Toast */
    .toast {
        bottom: max(16px, env(safe-area-inset-bottom));
        right: 12px;
        left: 12px;
        max-width: none;
    }

    /* Form */
    .form-control {
        font-size: 16px; /* prevent iOS zoom on focus */
    }

    /* Lookup suggestions fullscreen friendly */
    .lookup-suggestions {
        max-height: 180px;
    }

    /* Hide non-essential table columns via class that JS can set */
    .col-optional {
        display: none;
    }
}

/* Very small phones */
@media (max-width: 380px) {
    #page-title {
        font-size: 15px;
    }
    .top-bar {
        gap: 6px;
    }
    .top-actions {
        gap: 4px;
    }
}