/* =============================================
   Alex Chen Coaching — Client Portal
   =============================================
   Design: Otto for Apps for Clients service line
   Palette: Deep slate + warm cream + terracotta accent
   Type: Lora (headings/brand) + Inter (UI)
   A11y: WCAG AA throughout; reduced-motion honored
   ============================================= */

/* --- TOKENS --- */
:root {
  /* Colors */
  --color-bg:           #F7F5F1;
  --color-surface:      #FFFFFF;
  --color-surface-dim:  #F0EDE8;
  --color-border:       #E2DDD7;
  --color-border-focus: #7D6B5E;

  --color-text:         #1C1A17;
  --color-text-muted:   #6B6560;
  --color-text-faint:   #7D746E;       /* 4.57:1 on white — AA pass */

  --color-accent:       #B5705A;       /* Terracotta — decoration/non-text use only */
  --color-accent-dark:  #9A5D49;       /* 5.20:1 on white — AA pass; use for text/buttons */
  --color-accent-tint:  #F5EBE7;

  --color-success:      #2E6B4F;       /* 5.51:1 on tag bg — AA pass */
  --color-tag-upcoming: #E8F2EE;
  --color-tag-text:     #2E6B4F;
  --color-tag-past:     #EEEAE5;
  --color-tag-past-text:#6B6560;

  /* Type */
  --font-heading: 'Lora', Georgia, serif;
  --font-ui:      'Inter', system-ui, -apple-system, sans-serif;

  /* Radii */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  /* Shadows */
  --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-focus: 0 0 0 3px rgba(125,107,94,0.3);

  /* Motion */
  --transition: 150ms ease;
}

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

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

body {
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- FOCUS STYLES --- */
:focus-visible {
  outline: 3px solid var(--color-border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --- SKIP LINK --- */
.skip-link {
  position: absolute;
  transform: translateY(-100%);
  left: 1rem;
  top: 1rem;
  background: var(--color-accent-dark);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 9999;
  text-decoration: none;
}
.skip-link:focus-visible {
  transform: translateY(0);
}

/* =============================================
   VIEWS
   ============================================= */

.view { display: none; }
.view.active { display: block; }

/* =============================================
   LOGIN PAGE
   ============================================= */

#login-view {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 2rem 1rem;
}

.login-wrap {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.login-card {
  width: 100%;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-accent-dark);
  color: white;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.login-heading {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.login-subhead {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 0.5rem;
}

.login-note {
  font-size: 0.8125rem;
  color: var(--color-text-faint);
  text-align: center;
  line-height: 1.5;
}

.login-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem;
  background: var(--color-tag-upcoming);
  border-radius: var(--radius-md);
  color: var(--color-success);
  font-size: 0.9375rem;
  line-height: 1.5;
  text-align: center;
  width: 100%;
}

.check-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.login-footer {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.login-footer a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.login-footer a:hover {
  color: #7A4832;
}

/* =============================================
   PORTAL HEADER
   ============================================= */

.portal-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark-sm {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-accent-dark);
  color: white;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.header-nav {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.nav-link:hover {
  background: var(--color-surface-dim);
  color: var(--color-text);
}

.nav-link.active {
  background: transparent;
  color: var(--color-text);
  box-shadow: inset 0 -2px 0 var(--color-accent-dark);
}

.header-user {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 0.5rem;
}

.user-greeting {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* =============================================
   PORTAL BODY
   ============================================= */

#portal-view {
  min-height: 100dvh;
  background: var(--color-bg);
}

.portal-body {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.portal-section { display: none; }
.portal-section.active-section { display: block; }

.section-inner {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.25;
}

.section-subhead {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* =============================================
   SESSION CARDS
   ============================================= */

.sessions-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sessions-list--past {
  gap: 0.75rem;
}

.session-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  position: relative;
  transition: box-shadow var(--transition);
}

.session-card.upcoming {
  border-left: 3px solid var(--color-accent);
}

.session-card.past {
  border-left: 3px solid var(--color-border);
  opacity: 0.82;
}

.session-date-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 44px;
  flex-shrink: 0;
  padding-top: 0.125rem;
}

.session-date-block .month {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  line-height: 1;
}

.session-card.past .session-date-block .month {
  color: var(--color-text-faint);
}

.session-date-block .day {
  font-size: 1.625rem;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.1;
}

.session-detail {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.session-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
}

.session-meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.session-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-top: 0.375rem;
  font-style: italic;
}

.session-tag {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.625rem;
}

.tag-upcoming {
  background: var(--color-tag-upcoming);
  color: var(--color-tag-text);
}

.tag-past {
  background: var(--color-tag-past);
  color: var(--color-tag-past-text);
}

.past-sessions-heading {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--color-border);
}

.past-sessions {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

/* =============================================
   DOCUMENT GRID
   ============================================= */

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.doc-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow var(--transition);
}

.doc-card:hover {
  box-shadow: 0 2px 6px rgba(0,0,0,0.1), 0 6px 20px rgba(0,0,0,0.07);
}

.doc-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent-dark);
  flex-shrink: 0;
}

.doc-icon svg {
  width: 100%;
  height: 100%;
}

.doc-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.doc-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
}

.doc-meta {
  font-size: 0.8125rem;
  color: var(--color-text-faint);
}

.doc-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-top: 0.25rem;
}

.doc-download {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.doc-download svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* =============================================
   INTAKE PAGE
   ============================================= */

.intake-wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
  min-height: 100dvh;
}

.intake-header {
  margin-bottom: 1.75rem;
}

.intake-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

.intake-back:hover {
  color: var(--color-accent-dark);
}

.intake-back svg {
  width: 18px;
  height: 18px;
}

.intake-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: 2.25rem 2rem;
}

.intake-intro {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.intake-heading {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 0.625rem;
}

.intake-subhead {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.intake-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-section {
  border: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.section-legend {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 0.25rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid var(--color-border);
  width: 100%;
}

.form-submit {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.submit-note {
  font-size: 0.875rem;
  color: var(--color-text-faint);
  line-height: 1.55;
}

/* Intake success */
.intake-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  padding: 3rem 2rem;
}

.success-icon {
  color: var(--color-success);
  width: 64px;
  height: 64px;
}

.success-icon svg {
  width: 100%;
  height: 100%;
}

.success-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.success-body {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 440px;
}

/* =============================================
   FORM ELEMENTS
   ============================================= */

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field-row {
  display: grid;
  gap: 1rem;
}

.field-row--two {
  grid-template-columns: 1fr 1fr;
}

label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.required-mark {
  color: var(--color-accent);
  margin-left: 0.125rem;
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  line-height: 1.5;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-faint);
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-border-focus);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: #C0392B;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%236B6560' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 18px;
  padding-right: 2.5rem;
  cursor: pointer;
}

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

.field-hint {
  font-size: 0.8125rem;
  color: var(--color-text-faint);
  line-height: 1.5;
}

/* Radio group */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.radio-label {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-text);
  cursor: pointer;
  font-weight: 400;
}

.radio-label input[type="radio"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 0.125rem;
  accent-color: var(--color-accent);
  cursor: pointer;
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition), opacity var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent-dark);
  color: #fff;
  width: 100%;
}

.btn-primary:hover {
  background: #7A4832;
}

.btn-primary:active {
  opacity: 0.9;
}

.btn-secondary {
  background: var(--color-surface-dim);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-border);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  padding: 0.375rem 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.btn-ghost:hover {
  background: var(--color-surface-dim);
  color: var(--color-text);
}

.btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 640px) {
  .header-inner {
    gap: 0.75rem;
    padding: 0 1rem;
  }

  .brand-name {
    display: none;
  }

  .header-nav {
    margin-left: auto;
  }

  .user-greeting {
    display: none;
  }

  .portal-body {
    padding: 1.5rem 1rem 3rem;
  }

  .session-card {
    padding: 1rem;
    flex-direction: column;
    gap: 0.75rem;
  }

  .session-date-block {
    flex-direction: row;
    gap: 0.5rem;
    align-items: baseline;
  }

  .session-date-block .month {
    font-size: 0.75rem;
  }

  .session-date-block .day {
    font-size: 1.25rem;
  }

  .session-tag {
    position: static;
    align-self: flex-start;
  }

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

  .intake-card {
    padding: 1.5rem 1.25rem;
  }

  .field-row--two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 2rem 1.25rem;
  }
}