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

:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-success: #16a34a;
    --color-warning: #ca8a04;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --radius: 6px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === Navbar === */
.navbar {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0 2rem;
    height: 60px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand a {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.navbar-nav.nav-hidden {
    display: none;
}

.nav-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: #eff6ff;
}

/* === Container / Main Layout === */
.container {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* === Cards / Panels === */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header h1 {
    margin-bottom: 0;
}

/* === Typography === */
h1, h2, h3 {
    color: var(--color-text);
    margin-bottom: 1rem;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, transform 0.1s;
}

.btn:active {
    transform: scale(0.97);
}

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

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

.btn-danger {
    background: var(--color-danger);
    color: #fff;
}

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

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

.btn-secondary:hover {
    background: #cbd5e1;
}

/* === Forms === */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    font-family: var(--font);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-error {
    color: var(--color-danger);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* === Tables === */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border-bottom: 2px solid var(--color-border);
    font-weight: 600;
    color: var(--color-text-muted);
    white-space: nowrap;
}

tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

tbody tr:hover {
    background: #f1f5f9;
}

tbody tr.clickable {
    cursor: pointer;
}

/* === Search === */
.search-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.search-bar input {
    flex: 1;
    max-width: 400px;
}

/* === Toast Notifications === */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 500;
    animation: toast-in 0.3s ease;
    min-width: 280px;
}

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

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

.toast-close {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.8;
    line-height: 1;
}

.toast-close:hover {
    opacity: 1;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toast.toast-out {
    animation: toast-out 0.3s ease forwards;
}

@keyframes toast-out {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(1rem);
    }
}

/* === Small Button Variant === */
.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* === Small Form Control Variant (used in inline interaction edit rows) === */
.form-control-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

/* === Interaction action buttons cell === */
.interaction-actions {
    white-space: nowrap;
}

/* === Google Contacts Export === */
.export-result-card {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.export-stats {
    display: flex;
    gap: 2rem;
    margin-top: 0.75rem;
}

.export-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.export-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.export-stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === Empty / No Results State === */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-muted);
}

.empty-state p {
    font-size: 1rem;
}

.empty-state-text {
    color: var(--color-text-muted);
    font-style: italic;
    padding: 1rem 0;
}

/* === Interaction Form === */
.interaction-form {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

#interaction-log-section {
    margin-top: 1.5rem;
}

#interaction-log-section .card h2 {
    margin-bottom: 1.5rem;
}

/* === File Upload / Drop Zone === */
.drop-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--color-primary);
    background: #eff6ff;
}

.drop-zone input[type="file"] {
    display: none;
}

/* === Import Results === */
.import-results {
    margin-top: 1.5rem;
}

.import-summary {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
}

.import-stat {
    font-size: 1.5rem;
    font-weight: 700;
}

.import-stat.success {
    color: var(--color-success);
}

.import-stat.skipped {
    color: var(--color-warning);
}

/* === Action Bar === */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* === Loading Spinner === */
.spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* === Their Turn View === */
.their-turn-subtitle {
    color: var(--color-text-muted);
    margin-top: -0.5rem;
    font-size: 0.9rem;
}

.their-turn-name {
    font-weight: 600;
    white-space: nowrap;
}

.their-turn-notes {
    color: var(--color-text-muted);
    max-width: 360px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* === Contact Profile View === */
.contact-profile .contact-name {
    margin-bottom: 0.2rem;
}

.contact-company {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: 0;
}

.contact-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.contact-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 2rem;
    padding-top: 0.25rem;
}

.contact-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

.contact-field span {
    color: var(--color-text);
    font-size: 0.9375rem;
}

.contact-link {
    color: var(--color-primary);
    font-size: 0.9375rem;
    text-decoration: none;
}

.contact-link:hover {
    text-decoration: underline;
}

.contact-notes {
    grid-column: 1 / -1;
    white-space: pre-wrap;
}

/* === Responsive Layout === */
@media (max-width: 768px) {
    .form-row,
    .contact-fields {
        grid-template-columns: 1fr;
    }

    .navbar {
        padding: 0 1rem;
    }

    .container {
        padding: 1rem;
    }

    .search-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-bar input {
        max-width: none;
    }

    .action-bar {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
}

/* === Feature Requests === */

.fr-form {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1.5rem;
    margin-bottom: 0.5rem;
}

.fr-form-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Sort bar */
.fr-sort-bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.fr-sort-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-right: 0.25rem;
}

.fr-sort-btn {
    font-size: 0.78rem;
    padding: 0.3rem 0.75rem;
}

.fr-sort-active {
    background: var(--color-primary) !important;
    color: #fff !important;
}

/* Relevance radio group */
.fr-relevance-group {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.35rem;
}

.fr-relevance-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.fr-relevance-option input[type="radio"] {
    display: none;
}

.fr-relevance-option span {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.fr-relevance-option input[type="radio"]:checked + span {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

.fr-relevance-option:hover span {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Group headers (section / customer sort) */
.fr-group {
    margin-bottom: 0.5rem;
}

.fr-group-header {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--color-text-muted);
    padding: 0.75rem 0 0.4rem;
    border-top: 1px solid var(--color-border);
    margin-top: 0.75rem;
}

.fr-group:first-child .fr-group-header {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

/* Feature request card */
.fr-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    background: var(--color-surface);
    transition: box-shadow 0.15s;
}

.fr-card:hover {
    box-shadow: var(--shadow);
}

.fr-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.fr-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.fr-card-actions {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}

.fr-section-badge {
    display: inline-block;
    background: #e0f2fe;
    color: #0369a1;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.fr-relevance-stars {
    font-size: 0.95rem;
    letter-spacing: -0.05em;
}

.fr-star {
    color: var(--color-border);
}

.fr-star-filled {
    color: #f59e0b;
}

.fr-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.fr-card-description {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    white-space: pre-wrap;
    margin-bottom: 0.5rem;
}

.fr-card-footer {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.fr-customer-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
}

.fr-customer-link:hover {
    text-decoration: underline;
}

/* Edit form inside card */
.fr-edit-form {
    padding: 0.25rem 0;
}

.fr-edit-actions {
    margin-top: 0.75rem;
}

/* === Warning Button === */
.btn-warning {
    background: var(--color-warning);
    color: #fff;
}

.btn-warning:hover {
    background: #a16207;
}

/* === Feedback Toggle Switch === */
.feedback-toggle-group {
    display: flex;
    align-items: center;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
}

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

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 2.5rem;
    height: 1.375rem;
    background: var(--color-border);
    border-radius: 999px;
    transition: background 0.2s;
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 0.1875rem;
    left: 0.1875rem;
    width: 1rem;
    height: 1rem;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.toggle-input:checked + .toggle-switch {
    background: var(--color-primary);
}

.toggle-input:checked + .toggle-switch::after {
    transform: translateX(1.125rem);
}

.toggle-text {
    font-weight: 500;
    font-size: 0.9rem;
}

/* Compact toggle for inline edit rows */
.toggle-label-sm {
    margin-top: 0.375rem;
    gap: 0.35rem;
}

.toggle-switch-sm {
    width: 2rem;
    height: 1.125rem;
}

.toggle-switch-sm::after {
    width: 0.75rem;
    height: 0.75rem;
    top: 0.1875rem;
    left: 0.1875rem;
}

.toggle-input:checked + .toggle-switch-sm::after {
    transform: translateX(0.875rem);
}

.toggle-text-sm {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* === Feedback Badge === */
.badge-feedback {
    display: inline-block;
    background: #ede9fe;
    color: #7c3aed;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    margin-left: 0.35rem;
    vertical-align: middle;
    letter-spacing: 0.02em;
}

/* === Auth Views === */

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    max-width: 420px;
    margin: 4rem auto;
}

.auth-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.auth-link {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
}

.auth-link a {
    color: var(--color-primary);
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

.auth-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius);
}

/* === Nav User (top-right of navbar) === */

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

.nav-user-email {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* === Button Link (styled as inline text link) === */

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    text-decoration: none;
}

.btn-link:hover {
    text-decoration: underline;
}

/* === Text muted helper === */
.text-muted {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* === Admin panel === */

.admin-section {
    margin-bottom: 2rem;
}

.admin-section h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.invite-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.invite-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-border);
}

.invite-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.invite-table tr:last-child td {
    border-bottom: none;
}

.invite-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-pending  { background: #fef9c3; color: #854d0e; }
.badge-accepted { background: #dcfce7; color: #166534; }
.badge-expired  { background: #f3f4f6; color: #6b7280; }

.text-success {
    color: #166534;
    font-size: 0.875rem;
}