/* ============================================================
   Webinar Registration Platform — style.css
   Aesthetic: refined medical / Swiss precision
   Fonts: DM Serif Display + DM Sans
   ============================================================ */

/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Palette */
  --col-bg:         #F0F2F5;
  --col-panel-l:    #EEF2F7;       /* light blue-grey — left panel (logo-friendly) */
  --col-panel-l-text: #1A2C3D;     /* dark navy for text on light panel */
  --col-panel-r:    #FFFFFF;
  --col-accent:     #2A9D8F;       /* Mederis teal */
  --col-accent-lt:  #E6F5F3;
  --col-danger:     #C0392B;
  --col-danger-lt:  #FDECEA;
  --col-text:       #1A2C3D;
  --col-text-muted: #5A6A7E;
  --col-border:     #DDE2EA;
  --col-input-bg:   #FAFBFC;

  /* Type */
  --font-serif:     'DM Serif Display', Georgia, serif;
  --font-sans:      'DM Sans', system-ui, sans-serif;

  /* Spacing */
  --sp-xs:  0.375rem;
  --sp-sm:  0.75rem;
  --sp-md:  1.25rem;
  --sp-lg:  2rem;
  --sp-xl:  3rem;

  /* Radius */
  --r-sm:   6px;
  --r-md:   12px;
  --r-lg:   20px;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  background: var(--col-bg);
  color: var(--col-text);
  min-height: 100vh;
}

a { color: var(--col-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout: two-panel shell ──────────────────────────────── */
.page-shell {
  display: grid;
  grid-template-columns: 420px 1fr;
  min-height: 100vh;
}

@media (max-width: 900px) {
  .page-shell { grid-template-columns: 1fr; }
}

/* ─── Left Info Panel ──────────────────────────────────────── */
.panel-info {
  background: var(--col-panel-l);
  color: var(--col-panel-l-text);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: var(--sp-xl) var(--sp-lg);
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(26,44,61,0.09);
  box-shadow: 2px 0 16px rgba(26,44,61,0.06);
}

.panel-info__inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xl);
  flex: 1;
}

@media (max-width: 900px) {
  .panel-info {
    position: static;
    height: auto;
    padding: var(--sp-lg);
  }
}

/* Brand mark */
.brand-mark {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}
.brand-mark__logo {
  height: 44px;
  width: auto;
  display: block;
  /* logo reads naturally on light panel */
  filter: none;
  drop-shadow: none;
}
.brand-mark__divider {
  width: 1px;
  height: 32px;
  background: rgba(26,44,61,0.15);
  flex-shrink: 0;
}
.brand-mark__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(26,44,61,0.45);
  line-height: 1.4;
}

/* Webinar card */
.webinar-card { flex: 1; }

.webinar-card__eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--col-accent);
  margin-bottom: var(--sp-sm);
}

.webinar-card__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  line-height: 1.2;
  color: var(--col-panel-l-text);
  margin-bottom: var(--sp-md);
}

.webinar-card__desc {
  font-size: 0.92rem;
  line-height: 1.65;
  color: rgba(26,44,61,0.58);
  margin-bottom: var(--sp-lg);
}

.webinar-card__meta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.webinar-card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: 0.88rem;
  color: rgba(26,44,61,0.65);
}
.webinar-card__meta-item svg { flex-shrink: 0; opacity: 0.7; }

/* SRXL notice */
.srxl-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  background: rgba(42,157,143,0.1);
  border: 1px solid rgba(42,157,143,0.28);
  border-radius: var(--r-md);
  padding: var(--sp-md);
  font-size: 0.83rem;
  line-height: 1.55;
  color: rgba(26,44,61,0.72);
}
.srxl-notice svg { flex-shrink: 0; margin-top: 2px; color: var(--col-accent); }
.srxl-notice strong { color: var(--col-panel-l-text); }

/* ─── Right Form Panel ─────────────────────────────────────── */
.panel-form {
  background: var(--col-panel-r);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--sp-xl) var(--sp-lg);
}

.panel-form__inner {
  width: 100%;
  max-width: 540px;
  padding: var(--sp-lg) 0;
}

/* Form header */
.form-header { margin-bottom: var(--sp-lg); }

.form-header__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--col-text);
  margin-bottom: var(--sp-sm);
}

.form-header__sub {
  font-size: 0.9rem;
  color: var(--col-text-muted);
  line-height: 1.6;
}

/* ─── Form Fields ──────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--sp-md);
}
@media (max-width: 500px) { .form-grid { grid-template-columns: 1fr; } }

.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  margin-bottom: var(--sp-md);
}

.field__label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--col-text);
}

.required { color: var(--col-accent); }
.optional { color: var(--col-text-muted); font-weight: 400; font-size: 0.78rem; }

.field__input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--col-text);
  background: var(--col-input-bg);
  border: 1.5px solid var(--col-border);
  border-radius: var(--r-sm);
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
  outline: none;
}
.field__input::placeholder { color: #B0BAC7; }
.field__input:focus {
  border-color: var(--col-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(42,127,98,0.1);
}
.field__input.is-error {
  border-color: var(--col-danger);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.08);
}

.field__hint {
  font-size: 0.78rem;
  color: var(--col-text-muted);
  line-height: 1.4;
  margin-top: -2px;
}

.field__error {
  font-size: 0.78rem;
  color: var(--col-danger);
  min-height: 1em;
  display: block;
}

/* ─── Checkbox ─────────────────────────────────────────────── */
.field--checkbox { margin-top: var(--sp-sm); }

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}

.checkbox-box {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border: 1.5px solid var(--col-border);
  border-radius: 4px;
  background: var(--col-input-bg);
  margin-top: 2px;
  transition: background 0.15s, border-color 0.15s;
  position: relative;
}
.checkbox-label input:checked + .checkbox-box {
  background: var(--col-accent);
  border-color: var(--col-accent);
}
.checkbox-label input:checked + .checkbox-box::after {
  content: '';
  position: absolute;
  left: 4px; top: 1px;
  width: 6px; height: 10px;
  border: 2px solid #fff;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}

.checkbox-text {
  font-size: 0.85rem;
  color: var(--col-text-muted);
  line-height: 1.5;
}

/* ─── Submit Button ────────────────────────────────────────── */
.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  width: 100%;
  padding: 0.9rem 1.5rem;
  margin-top: var(--sp-lg);
  background: var(--col-accent);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: background 0.18s, transform 0.1s, box-shadow 0.18s;
  box-shadow: 0 2px 12px rgba(42,127,98,0.25);
}
.btn-submit:hover:not(:disabled) {
  background: #236b52;
  box-shadow: 0 4px 18px rgba(42,127,98,0.35);
}
.btn-submit:active:not(:disabled) { transform: translateY(1px); }
.btn-submit:disabled { opacity: 0.65; cursor: not-allowed; }

.btn-submit__spinner { display: none; }
.btn-submit.is-loading .btn-submit__text,
.btn-submit.is-loading .btn-submit__icon { display: none; }
.btn-submit.is-loading .btn-submit__spinner { display: flex; }

.spin {
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-footer-note {
  margin-top: var(--sp-md);
  font-size: 0.78rem;
  color: var(--col-text-muted);
  line-height: 1.55;
  text-align: center;
}

/* ─── Alert Banner ─────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  padding: var(--sp-md);
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: var(--sp-lg);
}
.alert[hidden] { display: none; }
.alert--error {
  background: var(--col-danger-lt);
  border: 1px solid rgba(192,57,43,0.25);
  color: var(--col-danger);
}
.alert svg { flex-shrink: 0; margin-top: 1px; }

/* ─── Centered page (success / error) ─────────────────────── */
.page-centered {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-lg);
  background: var(--col-bg);
}

/* ─── Status Card ──────────────────────────────────────────── */
.status-card {
  background: #fff;
  border-radius: var(--r-lg);
  padding: var(--sp-xl);
  max-width: 560px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 40px rgba(26,35,50,0.08);
}

.status-card__icon {
  width: 80px; height: 80px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--sp-lg);
}

.status-card--success .status-card__icon {
  background: var(--col-accent-lt);
  color: var(--col-accent);
}
.status-card--error .status-card__icon {
  background: var(--col-danger-lt);
  color: var(--col-danger);
}
.status-card--info .status-card__icon {
  background: #EEF2F7;
  color: #1e3a5f;
}

.contact-block {
  margin-top: var(--sp-md);
}
.contact-block__email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--col-accent);
  text-decoration: none;
}
.contact-block__email:hover {
  text-decoration: underline;
}

.status-card__title {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: var(--sp-sm);
}

.status-card__sub {
  font-size: 0.95rem;
  color: var(--col-text-muted);
  margin-bottom: var(--sp-lg);
}

.status-card__body {
  text-align: left;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--col-text-muted);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  margin-bottom: var(--sp-lg);
}
.status-card__body strong { color: var(--col-text); }

.status-card__note {
  font-size: 0.78rem;
  color: #B0BAC7;
  line-height: 1.5;
  margin-top: var(--sp-md);
}

/* Join link box */
.join-link-box {
  background: var(--col-accent-lt);
  border: 1.5px solid rgba(42,127,98,0.2);
  border-radius: var(--r-sm);
  padding: var(--sp-md);
}
.join-link-box__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--col-accent);
  margin-bottom: var(--sp-xs);
}
.join-link-box__url {
  display: block;
  font-size: 0.85rem;
  color: var(--col-text);
  word-break: break-all;
  margin-bottom: var(--sp-sm);
}
.join-link-box__copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  font-weight: 500;
  border: 1.5px solid var(--col-accent);
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--col-accent);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.join-link-box__copy:hover { background: var(--col-accent); color: #fff; }

/* Webinar summary */
.webinar-summary {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  padding: var(--sp-md);
  background: #F8F7F4;
  border-radius: var(--r-sm);
}
.webinar-summary__item {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: 0.88rem;
  color: var(--col-text-muted);
}
.webinar-summary__icon { color: var(--col-text-muted); display: flex; }

/* Back button */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.7rem 1.4rem;
  border: 1.5px solid var(--col-border);
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--col-text-muted);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
  margin-top: var(--sp-md);
}
.btn-back:hover { border-color: var(--col-accent); color: var(--col-accent); text-decoration: none; }

/* ─── Mock Mode Banner ─────────────────────────────────────── */
.mock-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: #f39c12;
  color: #fff;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 6px;
  z-index: 9999;
}

/* ─── Status card: closed/suspended ───────────────────────── */
.status-card--closed .status-card__icon {
  background: #F0F2F5;
  color: var(--col-text-muted);
}

.webinar-closed-info {
  background: #F6F8FA;
  border: 1px solid var(--col-border);
  border-radius: var(--r-md);
  padding: var(--sp-md) var(--sp-lg);
  margin: var(--sp-lg) 0;
  text-align: left;
}
.webinar-closed-info__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--col-text);
  margin-bottom: var(--sp-sm);
}
.webinar-closed-info__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: 0.85rem;
  color: var(--col-text-muted);
}
.webinar-closed-info__meta svg {
  flex-shrink: 0;
  opacity: 0.6;
}

/* ── Calendar action buttons (success page) ─────────────────── */
.calendar-actions {
  margin-top: var(--sp-lg);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--col-border);
}
.calendar-actions__label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--col-text-muted);
  margin-bottom: var(--sp-sm);
}
.calendar-actions__btns {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
}
.cal-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid var(--col-border);
  transition: background 0.15s, color 0.15s;
}
.cal-btn--ics {
  background: #fff;
  color: #1e3a5f;
  border-color: rgba(30,58,95,0.25);
}
.cal-btn--ics:hover {
  background: #eef2f7;
  text-decoration: none;
  color: #1e3a5f;
}
.cal-btn--google {
  background: #fff;
  color: #1a73e8;
  border-color: rgba(26,115,232,0.25);
}
.cal-btn--google:hover {
  background: #e8f0fe;
  text-decoration: none;
  color: #1a73e8;
}