/* ============================================================
   B2bit Ops — Estilos do painel interno
   Inspiração Apple: minimalista, clean, generoso
   ============================================================ */

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

:root {
    --black:       #1d1d1f;
    --white:       #ffffff;
    --gray-50:     #f5f5f7;
    --gray-100:    #e8e8ed;
    --gray-200:    #d2d2d7;
    --gray-500:    #86868b;
    --gray-700:    #424245;
    --blue:        #0071e3;
    --green:       #34c759;
    --orange:      #ff9500;
    --red:         #ff3b30;
    --yellow:      #ffd60a;

    --radius-sm:   6px;
    --radius:      12px;
    --radius-lg:   16px;
    --shadow:      0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
    --transition:  150ms ease;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
    background: var(--gray-50);
    color: var(--black);
    min-height: 100vh;
    line-height: 1.5;
}

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-100);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
    letter-spacing: -0.5px;
}

.logo-label {
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-user {
    font-size: 14px;
    color: var(--gray-500);
}

/* ============================================================
   Layout principal
   ============================================================ */
.main-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 48px 32px 80px;
}

.main-content-narrow {
    max-width: 800px;
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.8px;
    color: var(--black);
    line-height: 1.1;
}

.page-subtitle {
    font-size: 16px;
    color: var(--gray-500);
    margin-top: 4px;
}

.back-link {
    font-size: 14px;
    color: var(--blue);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 8px;
}

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

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    padding: 28px 32px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.card-accepted {
    border-color: rgba(52, 199, 89, 0.3);
    background: rgba(52, 199, 89, 0.04);
}

.card-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 20px;
    letter-spacing: -0.2px;
}

.card-desc {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
    margin-top: -12px;
}

.card-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.card-header-row .card-title {
    margin-bottom: 0;
}

.card-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

/* ============================================================
   Métricas
   ============================================================ */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
    padding: 20px 24px;
    box-shadow: var(--shadow);
}

.metric-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 6px;
    font-weight: 500;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.8px;
    color: var(--black);
}

.metric-green { color: var(--green); }
.metric-blue  { color: var(--blue); }

/* ============================================================
   Tabela
   ============================================================ */
.table-wrapper {
    overflow-x: auto;
    margin: -4px;
    padding: 4px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th {
    text-align: left;
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--gray-100);
}

.table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-50);
    vertical-align: middle;
}

.table tfoot td {
    border-top: 1px solid var(--gray-100);
    border-bottom: none;
    padding-top: 14px;
}

.table-row:hover td {
    background: var(--gray-50);
}

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

.client-name { font-weight: 500; }
.client-company { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
.proposal-title { max-width: 240px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.proposal-value { font-variant-numeric: tabular-nums; font-weight: 500; }
.date-cell { color: var(--gray-500); white-space: nowrap; }

/* ============================================================
   Badges de estado
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-lg {
    padding: 6px 14px;
    font-size: 13px;
}

.badge-draft    { background: var(--gray-50);  color: var(--gray-700); border: 1px solid var(--gray-200); }
.badge-sent     { background: #e8f0fe;          color: #1a56db; }
.badge-viewed   { background: #fff3e0;          color: #c65a11; }
.badge-accepted { background: #dcfce7;          color: #166534; }
.badge-declined { background: #fee2e2;          color: #991b1b; }

/* ============================================================
   Formulários
   ============================================================ */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group-full {
    grid-column: 1 / -1;
}

label {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
select,
textarea {
    font-family: inherit;
    font-size: 15px;
    color: var(--black);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    width: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--black);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.08);
}

input::placeholder {
    color: var(--gray-500);
}

.select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2386868b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 36px;
}

/* Scope rows */
.scope-header {
    display: grid;
    grid-template-columns: 1fr 100px 36px;
    gap: 8px;
    padding: 0 0 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--gray-100);
    margin-bottom: 8px;
}

.scope-row {
    display: grid;
    grid-template-columns: 1fr 100px 36px;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.scope-row input {
    font-size: 14px;
}

.btn-remove-row {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: var(--gray-500);
    padding: 4px;
    border-radius: 4px;
    transition: color var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 36px;
}

.btn-remove-row:hover {
    color: var(--red);
}

.scope-total {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-100);
    margin-top: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
}

/* Preview de valor */
.value-preview {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
    padding: 20px 24px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
}

.value-preview-label {
    font-size: 14px;
    color: var(--gray-500);
    font-weight: 500;
}

.value-preview-amount {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.8px;
    color: var(--black);
}

/* Ações do formulário */
.form-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-700);
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    cursor: pointer;
    appearance: auto;
    -webkit-appearance: auto;
}

.btn-group {
    display: flex;
    gap: 12px;
}

/* Status form row */
.status-form-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.status-form-row .select {
    max-width: 200px;
}

/* ============================================================
   Detail list
   ============================================================ */
.detail-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
    font-size: 14px;
}

.detail-list dt {
    color: var(--gray-500);
    font-weight: 500;
    white-space: nowrap;
}

.detail-list dd {
    color: var(--black);
}

.detail-value-big {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* ============================================================
   Share URL
   ============================================================ */
.share-url-row {
    display: flex;
    gap: 8px;
}

.share-url-input {
    font-family: "SF Mono", "Fira Code", monospace;
    font-size: 13px;
    color: var(--gray-700);
    background: var(--gray-50);
    flex: 1;
}

/* ============================================================
   Event log
   ============================================================ */
.event-log {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.event-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-50);
    font-size: 14px;
}

.event-row:last-child {
    border-bottom: none;
}

.event-name {
    color: var(--black);
    font-weight: 500;
}

.event-date {
    color: var(--gray-500);
    font-size: 13px;
}

/* ============================================================
   Botões
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: background var(--transition), opacity var(--transition), transform var(--transition);
    white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

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

.btn-primary:hover {
    background: var(--gray-700);
}

.btn-ghost {
    background: transparent;
    color: var(--black);
    border: 1px solid var(--gray-200);
}

.btn-ghost:hover {
    background: var(--gray-50);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-full {
    width: 100%;
}

/* ============================================================
   Alertas
   ============================================================ */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.alert ul {
    margin: 0;
    padding-left: 18px;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

/* ============================================================
   Login page
   ============================================================ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--white);
}

.login-container {
    width: 100%;
    max-width: 380px;
    padding: 48px 40px;
}

.login-logo {
    margin-bottom: 40px;
}

.login-title {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.8px;
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 32px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .btn-primary {
    margin-top: 8px;
}

/* ============================================================
   Empty state
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 64px 32px;
}

.empty-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-desc {
    font-size: 15px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

/* ============================================================
   Animações
   ============================================================ */
.fade-up {
    opacity: 0;
    transform: translateY(16px);
}

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 768px) {
    .main-content {
        padding: 24px 16px 60px;
    }

    .navbar-inner {
        padding: 0 16px;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .card-grid-2 {
        grid-template-columns: 1fr;
    }

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

    .form-group-full {
        grid-column: 1;
    }

    .page-header {
        flex-direction: column;
        gap: 12px;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-group {
        justify-content: flex-end;
    }

    .table th:nth-child(4),
    .table td:nth-child(4),
    .table th:nth-child(5),
    .table td:nth-child(5) {
        display: none;
    }

    .share-url-row {
        flex-direction: column;
    }

    .status-form-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .status-form-row .select {
        max-width: 100%;
        width: 100%;
    }

    .login-container {
        padding: 48px 24px;
    }
}

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

    .page-title {
        font-size: 24px;
    }
}