* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    padding-bottom: 64px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

h1, h2, h3 {
    font-family: inherit;
}

h2 {
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    margin: 28px 0 10px;
}

h2:first-child {
    margin-top: 0;
}

:focus-visible {
    outline: 2px solid var(--text);
    outline-offset: 2px;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
    outline: none;
    border-color: var(--text);
    box-shadow: 0 0 0 3px var(--bg-inset);
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid var(--border);
    overflow: hidden;
    flex-shrink: 0;
}

.brand-logo-sm {
    width: 64px;
    height: 64px;
}

.brand-logo-lg {
    width: 96px;
    height: 96px;
    margin: 0 auto 16px;
}

.brand-logo img {
    width: 68%;
    height: auto;
}

.topbar {
    background: var(--nav-bg);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 16px;
}

.topbar-back {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--text);
    flex-shrink: 0;
}

.topbar-back svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.main {
    max-width: 640px;
    margin: 0 auto;
    padding: 16px;
}

.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
}

a.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

a.card-link .card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: background-color 0.1s ease;
}

a.card-link:active .card {
    background: var(--bg-inset);
}

.card-link .chevron {
    flex-shrink: 0;
    color: var(--text-muted);
}

.icon-sm {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    font-family: inherit;
}

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

.field-placeholder label::after {
    content: "Ejemplo, pendiente de confirmar";
    display: inline-block;
    margin-left: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: none;
    color: var(--warning);
}

.field-placeholder input,
.field-placeholder select,
.field-placeholder textarea {
    background: var(--warning-bg);
    border-color: var(--warning);
    color: var(--warning);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    background: var(--accent);
    color: var(--accent-text);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: opacity 0.1s ease;
}

.btn:active {
    opacity: 0.7;
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:active {
    background: var(--bg-inset);
    opacity: 1;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.alert {
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 14px;
}

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

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

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

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin: 0 6px 6px 0;
}

.badge-neutral {
    background: var(--bg-inset);
    color: var(--text-muted);
}

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

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-info {
    background: var(--info-bg);
    color: var(--info);
}

.muted {
    color: var(--text-muted);
    font-size: 14px;
}

.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

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

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-inset);
    color: var(--text-muted);
    font-weight: 700;
    object-fit: cover;
    flex-shrink: 0;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 12px;
}

.avatar-md {
    width: 44px;
    height: 44px;
    font-size: 15px;
}

.avatar-lg {
    width: 84px;
    height: 84px;
    font-size: 26px;
    margin: 0 auto;
}

.auth-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.auth-box {
    width: 100%;
    max-width: 360px;
}

.auth-box h1 {
    font-size: 20px;
    margin-bottom: 4px;
}

.auth-box .muted {
    margin-bottom: 20px;
}

.auth-links {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background: var(--nav-bg);
    border-top: 1px solid var(--nav-border);
    z-index: 20;
}

.bottom-nav a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 8px 4px;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
}

.bottom-nav a.active {
    color: var(--text);
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 18px;
    border-radius: 999px;
    transition: background-color 0.15s ease;
}

.bottom-nav a.active .nav-icon {
    background: var(--bg-inset);
}

.bottom-nav svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.bottom-nav a.active svg {
    stroke-width: 2.2;
}

.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.cal-grid-head {
    margin-bottom: 6px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.cal-day {
    position: relative;
    aspect-ratio: 1;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font-size: 13px;
    cursor: pointer;
    padding: 0;
}

.cal-day.cal-disponible {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
    font-weight: 600;
}

.cal-day.cal-no_disponible {
    background: var(--bg-inset);
    color: var(--text-muted);
}

.cal-day.cal-duda {
    background: var(--info-bg);
    border-color: var(--info);
    color: var(--info);
    font-weight: 600;
}

.cal-day.cal-necesita-respuesta {
    background: var(--warning-bg);
    border-color: var(--warning);
    color: var(--warning);
    font-weight: 700;
}

.cal-day-inert {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 13px;
    opacity: 0.45;
}

.cal-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    margin-right: 4px;
    vertical-align: middle;
}

.cal-dot.cal-disponible {
    background: var(--success);
}

.cal-dot.cal-no_disponible {
    background: var(--text-muted);
}

.cal-dot.cal-duda {
    background: var(--info);
}

.cal-dot.cal-necesita-respuesta {
    background: var(--warning);
}