/* =============================================================================
   Pharmacy Portal — styles.css
   Paleta "Clínica Serena Suave" + Inter + responsive mobile-first
   Sub-bloque: 2.J.5b.1
   ============================================================================= */

/* ─── Variables ─────────────────────────────────────────────────────────────── */

:root {
  /* Primarios */
  --color-primary:       #8FA8B8;
  --color-primary-light: #E4ECF1;
  --color-primary-dark:  #5C7585;

  /* Acentos */
  --color-accent-warm:      #E8B89E;
  --color-accent-warm-dark: #C88B6F;

  /* Texto */
  --color-text-primary:   #2E2D2B;
  --color-text-secondary: #7A7670;

  /* UI */
  --color-border:        #D8D5D0;
  --color-bg-primary:    #FAF7F2;
  --color-bg-secondary:  #F0EBE2;

  /* Estados */
  --color-success: #9BBFA8;
  --color-warning: #D4B16A;
  --color-error:   #B57171;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ─── Reset & Base ──────────────────────────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Ensure elements with the HTML `hidden` attribute stay hidden even when CSS
   sets display to something other than none (e.g. flex, block). Without this,
   a CSS rule like `.alert { display: flex }` would override `hidden`. */
[hidden] {
  display: none !important;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3 {
  line-height: 1.3;
  color: var(--color-text-primary);
}

h2 { font-weight: 700; }
h3 { font-weight: 600; }

a {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

a:hover {
  color: var(--color-primary);
}

/* ─── Accessibility ─────────────────────────────────────────────────────────── */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ─── Layout ────────────────────────────────────────────────────────────────── */

.container {
  max-width: 600px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

main.container {
  flex: 1;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  main.container {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }

  .container {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
}

/* ─── Header ────────────────────────────────────────────────────────────────── */

.header {
  background: white;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1;
}

.logo__bracket {
  color: var(--color-accent-warm-dark);
}

.header__subtitle {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ─── Footer ────────────────────────────────────────────────────────────────── */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  margin-top: auto;
}

.footer__inner {
  text-align: center;
}

.footer__text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer__link {
  color: var(--color-primary-dark);
}

/* ─── Card ──────────────────────────────────────────────────────────────────── */

.card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
  .card {
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
  }
}

.card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-bg-secondary);
}

/* ─── Shipment info ─────────────────────────────────────────────────────────── */

.shipment-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.shipment-info__row {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.shipment-info__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  min-width: 80px;
  flex-shrink: 0;
}

.shipment-info__value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.shipment-info__value--mono {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.875rem;
  background: var(--color-bg-secondary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

/* ─── Form ──────────────────────────────────────────────────────────────────── */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group:last-of-type {
  margin-bottom: var(--space-xl);
}

.form-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.form-required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-optional {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-left: var(--space-xs);
}

.form-input {
  display: block;
  width: 100%;
  padding: 12px var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem; /* 16px — previene zoom automático en iOS */
  font-weight: 400;
  color: var(--color-text-primary);
  background: white;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder {
  color: var(--color-border);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input:disabled {
  background: var(--color-bg-secondary);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.form-actions {
  display: flex;
  justify-content: flex-start;
}

/* ─── Button ────────────────────────────────────────────────────────────────── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px var(--space-xl);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: background 0.15s ease, opacity 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.btn-primary:active:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (min-width: 768px) {
  .btn-primary {
    width: auto;
    min-width: 200px;
  }
}

/* ─── Alerts inline (dentro del form) ──────────────────────────────────────── */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  line-height: 1.5;
  margin-bottom: var(--space-lg);
}

.alert--error {
  background: #F9EDED;
  border: 1px solid var(--color-error);
  color: #7A3D3D;
}

/* ─── State cards (fullpage) ────────────────────────────────────────────────── */

.state-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
}

.state-icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: var(--space-lg);
}

.state-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.state-message {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.state-contact {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.state-card--error {
  border-color: var(--color-error);
}

.state-card--error .state-title {
  color: #7A3D3D;
}

.state-card--error .state-icon {
  color: var(--color-error);
}

.state-card--warning {
  border-color: var(--color-warning);
}

.state-card--warning .state-title {
  color: #7A5A1A;
}

.state-card--warning .state-icon {
  color: var(--color-warning);
}

.state-card--success {
  border-color: var(--color-success);
}

.state-card--success .state-title {
  color: #3B6B4D;
}

.state-card--success .state-icon {
  color: var(--color-success);
}