/* === Variables (Brand Guide Crema Cheesecakes) === */
:root {
    --paper: #f2ede6;
    --paper-dark: #e8e1d8;
    --ink: #111010;
    --ink-mid: #3a3836;
    --mid: #6b6460;
    --line: #d9d4cd;
    --border: rgba(17,16,16,0.1);
    --green: #2d7a3a;
    --green-bg: #e6f4ea;
    --red: #c0392b;
    --red-bg: #fce8e6;
    --orange: #e67e22;
    --orange-bg: #fef3e2;
    --grey-bg: #eee;
    --radius: 6px;
    --font-serif: 'DM Serif Display', Georgia, serif;
    --font-sans: 'DM Sans', -apple-system, sans-serif;
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: var(--font-sans);
    background: var(--paper);
    color: var(--ink);
    font-size: 0.88rem;
    line-height: 1.85;
    min-height: 100vh;
}
a { color: var(--ink); }
img { max-width: 100%; }

/* === Nav (sticky, fondo paper, borde inferior sutil) === */
.nav {
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
}
.nav-brand {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.15rem;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.02em;
}
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a {
    color: var(--mid);
    text-decoration: none;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 400;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 500; }
.nav-logout { color: var(--mid) !important; opacity: 0.7; }
.nav-logout:hover { opacity: 1; }

/* === Container === */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* === Alerts === */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.85rem;
}
.alert-success { background: var(--green-bg); color: var(--green); }
.alert-error { background: var(--red-bg); color: var(--red); }

/* === Buttons (brand guide: uppercase, letter-spacing 0.25em) === */
.btn {
    display: inline-block;
    padding: 0.7rem 1.8rem;
    border: 1px solid rgba(17,16,16,0.25);
    border-radius: var(--radius);
    background: transparent;
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.15s, opacity 0.15s, background 0.15s, color 0.15s;
}
.btn:hover { border-color: var(--ink); }
.btn-primary {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}
.btn-primary:hover { opacity: 0.75; }
.btn-secondary {
    background: transparent;
    border-color: rgba(17,16,16,0.25);
    color: var(--mid);
}
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.6rem; }
.btn-danger {
    border-color: var(--red);
    color: var(--red);
    background: transparent;
}
.btn-danger:hover { background: var(--red); color: var(--paper); }
.btn-whatsapp {
    background: #25d366;
    color: #fff;
    border-color: #25d366;
}
.btn-whatsapp:hover { opacity: 0.75; }
.btn-email {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}
.btn-email:hover { opacity: 0.75; }

/* === Page header === */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.page-header h1 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: normal;
    letter-spacing: -0.02em;
}

/* === Badges === */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}
.badge-pending { background: var(--grey-bg); color: var(--mid); }
.badge-paid { background: var(--green-bg); color: var(--green); }
.badge-cancelled { background: var(--red-bg); color: var(--red); }
.badge-expired { background: var(--orange-bg); color: var(--orange); }

/* === Filters === */
.filters {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}
.filters input,
.filters select {
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    background: var(--paper);
    color: var(--ink);
}
.filters input:focus,
.filters select:focus {
    outline: none;
    border-color: var(--ink);
}
.filters input[type="text"] { flex: 1; min-width: 180px; }

/* === Tables === */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--paper);
}
th, td {
    padding: 0.7rem 0.8rem;
    text-align: left;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--line);
}
th {
    font-size: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--mid);
}
.text-right { text-align: right; }
.empty-state {
    text-align: center;
    color: var(--mid);
    padding: 3rem 1rem;
}

/* === Forms (brand guide: bg paper, border sutil, labels uppercase) === */
.form-card {
    max-width: 520px;
    padding: 1.8rem;
}
.form-card label {
    display: block;
    font-size: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--mid);
    margin-bottom: 0.4rem;
    margin-top: 1.2rem;
}
.form-card label:first-child { margin-top: 0; }
.form-card input,
.form-card select {
    width: 100%;
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    background: var(--paper);
    color: var(--ink);
}
.form-card input:focus,
.form-card select:focus {
    outline: none;
    border-color: var(--ink);
}
.form-card input::placeholder { color: var(--mid); opacity: 0.6; }
.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.8rem;
}

/* === Login === */
.login-wrap {
    max-width: 360px;
    margin: 10vh auto 0;
    text-align: center;
}
.login-title {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.8rem;
    font-weight: normal;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}
.login-form {
    padding: 1.8rem;
    text-align: left;
}
.login-form label {
    display: block;
    font-size: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--mid);
    margin-bottom: 0.4rem;
    margin-top: 1.2rem;
}
.login-form label:first-child { margin-top: 0; }
.login-form input {
    width: 100%;
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    background: var(--paper);
    color: var(--ink);
}
.login-form input:focus { outline: none; border-color: var(--ink); }
.login-form .btn { width: 100%; margin-top: 1.5rem; text-align: center; }

/* === Detail === */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.detail-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.detail-card h2 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: normal;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.detail-card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 1rem; }
.detail-card dt {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--mid);
    font-weight: 500;
    padding-top: 0.15rem;
}
.detail-card dd { font-size: 0.88rem; }

.link-box {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
}
.link-box input {
    flex: 1;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    background: var(--paper);
    color: var(--ink);
}
.send-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 1.2rem;
}
.cancel-form { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }

/* === Events === */
.events-section h2 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: normal;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.events-table { font-size: 0.85rem; }
.event-type {
    background: var(--paper-dark);
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    font-size: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.event-payload {
    font-size: 0.78rem;
    color: var(--mid);
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* === Responsive === */
@media (max-width: 768px) {
    .detail-grid { grid-template-columns: 1fr; }
    .filters { flex-direction: column; }
    .filters input[type="text"] { min-width: 100%; }
    .container { padding: 1.5rem; }
    .nav-inner { height: auto; padding: 0.7rem 0; flex-wrap: wrap; gap: 0.5rem; }
    .nav-links { gap: 1rem; }
    th, td { padding: 0.5rem; font-size: 0.82rem; }
}