:root {
    --portal-bg: #f3f8f9;
    --portal-surface: #ffffff;
    --portal-border: #d6e4e8;
    --portal-text: #152033;
    --portal-muted: #667085;
    --portal-primary: #238ca0;
    --portal-primary-dark: #176f80;
}

:root[data-bs-theme="dark"] {
    --portal-bg: #111820;
    --portal-surface: #19232d;
    --portal-border: #30404d;
    --portal-text: #edf3f5;
    --portal-muted: #a9b6c0;
    --portal-primary: #55b5c3;
    --portal-primary-dark: #77c7d2;
}

* { box-sizing: border-box; }
body {
    min-height: 100vh;
    margin: 0;
    background: var(--portal-bg);
    color: var(--portal-text);
    font-family: "Manrope", sans-serif;
}

button, .btn, a { cursor: pointer; }
.portal-container { width: min(100% - 32px, 960px); margin-inline: auto; }
.portal-header { background: var(--portal-surface); border-bottom: 1px solid var(--portal-border); }
.portal-header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.portal-brand { display: inline-flex; align-items: center; }
.portal-logo { width: 150px; height: auto; }
.portal-logo-dark { display: none; }
:root[data-bs-theme="dark"] .portal-logo-light { display: none; }
:root[data-bs-theme="dark"] .portal-logo-dark { display: block; }
.portal-nav { display: flex; align-items: center; gap: 4px; margin-inline: auto; }
.portal-nav-link { display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 8px 11px; border-radius: 6px; color: var(--portal-muted); font-size: .82rem; font-weight: 700; text-decoration: none; }
.portal-nav-link:hover { background: rgba(35, 140, 160, .08); color: var(--portal-primary); }
.portal-nav-link.is-active { background: rgba(35, 140, 160, .12); color: var(--portal-primary); }
.portal-patient-name { color: var(--portal-text); font-size: .82rem; font-weight: 700; line-height: 1.2; text-align: right; }
.portal-patient-name small { display: block; margin-top: 3px; color: var(--portal-muted); font-size: .7rem; font-weight: 600; }
.portal-theme-button { width: 34px; height: 32px; padding: 0; }
.portal-main { padding-block: 48px 72px; }

.portal-auth-panel {
    width: min(100%, 480px);
    margin: 6vh auto 0;
    padding: 36px;
    background: var(--portal-surface);
    border: 1px solid var(--portal-border);
    border-radius: 8px;
    box-shadow: 0 18px 45px rgba(25, 52, 65, .09);
}
.portal-auth-panel h1, .portal-page-heading h1 { margin: 0; font-size: clamp(1.75rem, 5vw, 2.35rem); font-weight: 800; letter-spacing: 0; }
.portal-auth-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 50%; color: var(--portal-primary); background: rgba(35, 140, 160, .12); font-size: 1.15rem; }
.text-center .portal-auth-icon { margin-inline: auto; }
.portal-auth-icon-warning { color: #b15b16; background: rgba(222, 133, 61, .14); }
.portal-eyebrow { margin: 0 0 8px; color: var(--portal-primary); font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.form-control { border-color: var(--portal-border); background: var(--portal-surface); color: var(--portal-text); }
.form-control:focus { border-color: var(--portal-primary); box-shadow: 0 0 0 3px rgba(35, 140, 160, .16); }
.btn-primary { --bs-btn-bg: var(--portal-primary); --bs-btn-border-color: var(--portal-primary); --bs-btn-hover-bg: var(--portal-primary-dark); --bs-btn-hover-border-color: var(--portal-primary-dark); font-weight: 700; }
.portal-back-link { display: inline-flex; align-items: center; margin-top: 24px; color: var(--portal-muted); text-decoration: none; font-weight: 700; }
.portal-back-link:hover { color: var(--portal-primary); }
.portal-back-link-top { margin: 0 0 28px; }
.portal-auth-form { display: grid; gap: 18px; margin-top: 26px; }
.portal-form-error-standalone { margin: 0; }
.portal-info-notice { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; border-left: 4px solid var(--portal-primary); background: rgba(35, 140, 160, .09); color: var(--portal-text); font-size: .86rem; }
.portal-info-notice i { margin-top: 3px; color: var(--portal-primary); }

.portal-page-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 40px; }
.portal-section { margin-top: 32px; }
.portal-section h2 { margin-bottom: 14px; font-size: 1rem; font-weight: 800; }
.portal-appointment-list { overflow: hidden; border: 1px solid var(--portal-border); border-radius: 8px; background: var(--portal-surface); }
.portal-appointment { min-height: 88px; display: grid; grid-template-columns: 58px minmax(0, 1fr) auto 16px; align-items: center; gap: 18px; padding: 14px 18px; color: var(--portal-text); text-decoration: none; border-bottom: 1px solid var(--portal-border); }
.portal-appointment:last-child { border-bottom: 0; }
.portal-appointment:hover { background: rgba(35, 140, 160, .055); }
.portal-appointment-muted { color: var(--portal-muted); }
.portal-date-block { text-align: center; border-right: 1px solid var(--portal-border); }
.portal-date-block span { display: block; color: var(--portal-primary); font-size: .7rem; font-weight: 800; text-transform: uppercase; }
.portal-date-block strong { display: block; font-size: 1.4rem; }
.portal-appointment-main { min-width: 0; }
.portal-appointment-main strong, .portal-appointment-main span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.portal-appointment-main span { margin-top: 5px; color: var(--portal-muted); font-size: .82rem; }
.portal-chevron { color: var(--portal-muted); font-size: .75rem; }
.portal-status { display: inline-flex; align-items: center; width: fit-content; padding: 5px 9px; border-radius: 999px; background: #e8eef5; color: #536273; font-size: .72rem; font-weight: 800; }
.portal-status-confirmada { background: #daf4e8; color: #14764c; }
.portal-status-agendada { background: #dfeeff; color: #2462a8; }
.portal-status-cancelada { background: #f0e9ea; color: #8a4d55; }
.portal-status-realizada { background: #e8ebef; color: #566170; }
.portal-status-falta { background: #fff0d2; color: #9b6500; }
.portal-empty { padding: 42px 24px; text-align: center; color: var(--portal-muted); border: 1px dashed var(--portal-border); border-radius: 8px; background: var(--portal-surface); }
.portal-empty i { margin-bottom: 12px; font-size: 1.5rem; }
.portal-empty p { margin: 0; }

.portal-detail-heading { align-items: center; }
.portal-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: hidden; border: 1px solid var(--portal-border); border-radius: 8px; background: var(--portal-surface); }
.portal-detail-item { min-height: 112px; display: flex; align-items: center; gap: 16px; padding: 22px; border-right: 1px solid var(--portal-border); border-bottom: 1px solid var(--portal-border); }
.portal-detail-item:nth-child(even) { border-right: 0; }
.portal-detail-item i { width: 38px; color: var(--portal-primary); font-size: 1.15rem; text-align: center; }
.portal-detail-item span, .portal-detail-item strong { display: block; }
.portal-detail-item span { margin-bottom: 5px; color: var(--portal-muted); font-size: .75rem; }
.portal-detail-item strong { font-size: .95rem; }
.portal-readonly-note { margin: 20px 0 0; color: var(--portal-muted); font-size: .82rem; }
.portal-success-banner { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; padding: 16px 18px; border: 1px solid #9ddabd; border-radius: 8px; background: #e9f8f1; color: #126b45; }
.portal-success-banner i { font-size: 1.3rem; }
.portal-success-banner strong, .portal-success-banner span { display: block; }
.portal-success-banner span { margin-top: 2px; font-size: .8rem; }
.portal-warning-banner { border-color: #e8c49f; background: #fff4e8; color: #8c4b13; }
.portal-heading-description { margin: 10px 0 0; color: var(--portal-muted); }
.portal-detail-actions { margin-top: 22px; padding: 22px; border: 1px solid var(--portal-border); border-radius: 8px; background: var(--portal-surface); }
.portal-detail-actions h2 { margin: 0; font-size: 1rem; font-weight: 800; }
.portal-detail-actions p { margin: 5px 0 18px; color: var(--portal-muted); font-size: .85rem; }
.portal-detail-actions small { display: block; margin-top: 14px; color: var(--portal-muted); }
.portal-action-buttons { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.portal-action-buttons form { margin: 0; }
.portal-booking { overflow: hidden; border: 1px solid var(--portal-border); border-radius: 8px; background: var(--portal-surface); }
.portal-booking-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; padding: 26px; }
.portal-field-date { grid-column: 1 / -1; max-width: calc(50% - 10px); }
.portal-form-error { display: flex; gap: 12px; margin: 22px 26px 0; padding: 14px 16px; border-left: 4px solid #c84655; background: rgba(200, 70, 85, .09); color: #a3313e; }
.portal-slots-section { padding: 26px; border-top: 1px solid var(--portal-border); }
.portal-slots-heading { display: flex; align-items: start; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.portal-slots-heading h2 { margin: 0 0 5px; font-size: 1rem; font-weight: 800; }
.portal-slots-heading p { margin: 0; color: var(--portal-muted); font-size: .8rem; }
.portal-duration { flex: 0 0 auto; padding: 5px 9px; border-radius: 999px; background: rgba(35, 140, 160, .12); color: var(--portal-primary); font-size: .72rem; font-weight: 800; }
.portal-slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 9px; }
.portal-slot { min-height: 42px; border: 1px solid var(--portal-border); border-radius: 6px; background: var(--portal-surface); color: var(--portal-text); font-weight: 800; }
.portal-slot:hover { border-color: var(--portal-primary); color: var(--portal-primary); }
.portal-slot.is-selected { border-color: var(--portal-primary); background: var(--portal-primary); color: #fff; }
.portal-booking-actions { display: flex; justify-content: flex-end; padding: 18px 26px; border-top: 1px solid var(--portal-border); }
.portal-current-appointment { display: flex; flex-direction: column; gap: 4px; padding: 20px 26px; border-bottom: 1px solid var(--portal-border); background: rgba(35, 140, 160, .055); }
.portal-current-appointment span, .portal-current-appointment small { color: var(--portal-muted); font-size: .78rem; }
.portal-reschedule-fields { grid-template-columns: minmax(220px, 360px); }
.portal-cancel-panel { width: min(100%, 680px); overflow: hidden; border: 1px solid var(--portal-border); border-radius: 8px; background: var(--portal-surface); }
.portal-cancel-summary { display: flex; align-items: center; gap: 16px; padding: 24px; border-bottom: 1px solid var(--portal-border); }
.portal-cancel-summary > i { width: 42px; color: #b34855; font-size: 1.4rem; text-align: center; }
.portal-cancel-summary strong, .portal-cancel-summary span { display: block; }
.portal-cancel-summary span { margin-top: 5px; color: var(--portal-muted); font-size: .85rem; }
.portal-policy-notice { display: flex; gap: 13px; margin: 22px 24px 0; padding: 14px 16px; border-left: 4px solid #d78a32; background: rgba(215, 138, 50, .1); color: var(--portal-text); }
.portal-policy-notice i { margin-top: 3px; color: #b86b18; }
.portal-policy-notice strong, .portal-policy-notice span { display: block; }
.portal-policy-notice span { margin-top: 3px; color: var(--portal-muted); font-size: .82rem; }
.portal-cancel-field { padding: 22px 24px; }
.portal-cancel-actions { display: flex; justify-content: flex-end; gap: 10px; padding: 18px 24px; border-top: 1px solid var(--portal-border); }

@media (max-width: 640px) {
    .portal-container { width: min(100% - 24px, 960px); }
    .portal-main { padding-block: 30px 52px; }
    .portal-header-inner { flex-wrap: wrap; padding-block: 10px; }
    .portal-nav { order: 3; width: 100%; justify-content: stretch; margin-top: 2px; padding-top: 10px; border-top: 1px solid var(--portal-border); }
    .portal-nav-link { flex: 1 1 0; justify-content: center; text-align: center; }
    .portal-nav-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .portal-auth-panel { margin-top: 2vh; padding: 26px 22px; }
    .portal-appointment { grid-template-columns: 48px minmax(0, 1fr) 12px; gap: 12px; padding: 13px 12px; }
    .portal-appointment .portal-status { grid-column: 2; margin-top: -5px; }
    .portal-chevron { grid-column: 3; grid-row: 1 / span 2; }
    .portal-detail-grid { grid-template-columns: 1fr; }
    .portal-detail-item, .portal-detail-item:nth-child(even) { border-right: 0; }
    .portal-detail-item:last-child { border-bottom: 0; }
    .portal-page-heading { align-items: start; flex-direction: column; }
    .portal-booking-fields { grid-template-columns: 1fr; padding: 20px; }
    .portal-field-date { grid-column: auto; max-width: none; }
    .portal-slots-section { padding: 20px; }
    .portal-booking-actions { padding: 16px 20px; }
    .portal-booking-actions .btn { width: 100%; }
    .portal-action-buttons, .portal-action-buttons form, .portal-action-buttons .btn { width: 100%; }
    .portal-cancel-actions { flex-direction: column-reverse; }
    .portal-cancel-actions .btn { width: 100%; }
}