/* ============================================================
   SiloKala — Seller Dashboard Authentication (Phase 9.4)
   ------------------------------------------------------------
   Single-pane enterprise layout: clean white card on the brand
   background with saffron accent. Follows the design system tokens.
   Scope: every rule is namespaced under
   .silokala-seller-auth-root so it does not bleed into
   Elementor / WC / other plugin pages.
   ============================================================ */

/* ── Design system tokens override for this surface ──────── */
:root,
.silokala-seller-auth-root {
  /* Saffron/orange accent — the one accent color per view */
  --color-accent:        #f5a623;
  --color-accent-hover:   #e8930f;
  --color-accent-active: #c97e12;
  --shadow-accent:        0 8px 20px rgba(245, 166, 35, 0.30);

  font-family: var(--font-base);
  color: var(--text-body);
}

/* ── Root + shell layout ────────────────────────────── */
.silokala-seller-auth-root {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--surface-page);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 4vw, 40px);
  box-sizing: border-box;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(34, 74, 133, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 100%, rgba(245, 166, 35, 0.05) 0%, transparent 55%);
}
.silokala-seller-auth-root *,
.silokala-seller-auth-root *::before,
.silokala-seller-auth-root *::after { box-sizing: border-box; }
.silokala-seller-auth-root [hidden] { display: none !important; }

/* Tabular numerals for all digits */
.silokala-seller-auth-root .sk-tnum { font-feature-settings: "tnum" 1; font-variant-numeric: tabular-nums; unicode-bidi: isolate; }

/* ── Shell ───────────────────────────────────────── */
.sk-seller-shell {
  width: 100%;
  max-width: 460px;
}

/* ── Brand mark (logo glyph on landing) ───────────── */
.sk-seller-brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.sk-seller-brand-mark__glyph {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  font-family: var(--font-base);
}

/* ── Card ───────────────────────────────────────── */
.sk-seller-card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: skSellerFadeUp 300ms var(--ease-out) both;
}

@keyframes skSellerFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* ── Screen base ─────────────────────────────────── */
.sk-screen-padded {
  padding: clamp(28px, 5vw, 36px) clamp(24px, 5vw, 32px);
}

/* ── Step indicator ───────────────────────────────── */
.sk-step {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--orange-50);
  border: 1px solid var(--orange-200);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

/* ── Headings ────────────────────────────────────── */
.sk-screen-title {
  font-size: clamp(20px, 2.8vw, 24px);
  font-weight: 700;
  color: var(--text-strong);
  margin: 0 0 6px;
  line-height: 1.35;
}
.sk-screen-subtitle {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0 0 22px;
}
.sk-screen-foot {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* ── Brand-panel is gone (Phase 9.4) ────────────── */

/* ── Return link ─────────────────────────────────── */
.sk-seller-return {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  margin-bottom: 20px;
  transition: background var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard),
              color var(--duration-fast) var(--ease-standard);
}
.sk-seller-return:hover {
  background: var(--surface-muted);
  border-color: var(--border-strong);
  color: var(--text-body);
}
.sk-seller-return:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* ── Buttons ──────────────────────────────────────── */
.sk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-base);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard),
              transform var(--duration-fast) var(--ease-standard);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.sk-btn:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.sk-btn:active { transform: translateY(1px); }

.sk-btn--accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(245, 166, 35, 0.25);
}
.sk-btn--accent:hover:not(:disabled) {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-accent);
}
.sk-btn--accent:active:not(:disabled) {
  background: var(--color-accent-active);
  transform: translateY(1px);
}

.sk-btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.sk-btn--primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(27, 58, 107, 0.25);
}
.sk-btn--primary:active:not(:disabled) {
  background: var(--color-primary-active);
  transform: translateY(1px);
}

.sk-btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: none;
}
.sk-btn--ghost:hover:not(:disabled) {
  background: var(--surface-muted);
  color: var(--text-body);
}

.sk-btn--xl  { height: 48px; padding: 0 24px; font-size: 15px; }
.sk-btn--lg  { height: 44px; padding: 0 20px; font-size: 14px; }
.sk-btn--md  { height: 36px; padding: 0 16px; font-size: 13px; }
.sk-btn--sm  { height: 32px; padding: 0 12px; font-size: 12px; }

.sk-btn.is-full   { width: 100%; }
.sk-btn.is-loading { pointer-events: none; }

.sk-btn.is-loading .sk-btn-spin {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: skBtnSpin 0.7s linear infinite;
  display: inline-block;
}
@keyframes skBtnSpin { to { transform: rotate(360deg); } }

/* Ghost / link button */
.sk-btn-link {
  display: inline;
  background: none;
  border: none;
  color: var(--blue-600);
  font-size: 13px;
  font-family: var(--font-base);
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.sk-btn-link:hover { color: var(--blue-700); }

/* ── Form fields ─────────────────────────────────── */
.sk-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.sk-field > label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-strong);
  line-height: 1.3;
}

.sk-phone-row {
  display: flex;
  align-items: center;
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
}
.sk-phone-row:focus-within {
  border-color: var(--focus-ring-color, var(--blue-400));
  box-shadow: var(--ring-focus);
}
.sk-phone-prefix {
  padding: 0 12px;
  height: 44px;
  display: flex;
  align-items: center;
  background: var(--surface-muted);
  border-left: 1px solid var(--border-default);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  font-feature-settings: "tnum" 1;
  white-space: nowrap;
  user-select: none;
  direction: ltr;
}
#sk-seller-phone-entry {
  flex: 1;
  height: 44px;
  padding: 0 12px;
  border: none;
  background: transparent;
  font-family: var(--font-base);
  font-size: 15px;
  color: var(--text-strong);
  outline: none;
  direction: ltr;
  font-feature-settings: "tnum" 1;
}
#sk-seller-phone-entry::placeholder { color: var(--gray-400); }
#sk-seller-phone-entry:focus { outline: none; }
#sk-seller-phone-entry[readonly] {
  background: var(--surface-muted);
  color: var(--text-muted);
  cursor: default;
}

.sk-field-hint {
  font-size: 12px;
  color: var(--text-subtle);
  line-height: 1.4;
  margin: 0;
}

/* Password field */
.sk-field--password {
  position: relative;
}
.sk-field--password input {
  width: 100%;
  height: 44px;
  padding: 0 44px 0 14px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  font-family: var(--font-base);
  font-size: 15px;
  color: var(--text-strong);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
}
.sk-field--password input::placeholder { color: var(--gray-400); }
.sk-field--password input:focus {
  border-color: var(--focus-ring-color, var(--blue-400));
  box-shadow: var(--ring-focus);
}
.sk-field--password input.is-invalid {
  border-color: var(--danger-fg);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.15);
}
.sk-pw-toggle {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease-standard);
}
.sk-pw-toggle:hover { color: var(--text-body); }

/* ── Unified form: progressive stages ───────────────── */
.sk-unified-stage {
  margin-top: 12px;
}
.sk-unified-stage[hidden] { display: none; }

.sk-unified-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 12px;
}
.sk-unified-divider__line {
  flex: 1;
  height: 1px;
  background: var(--border-default);
}
.sk-unified-divider__label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-subtle);
  white-space: nowrap;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── OTP boxes ────────────────────────────────────── */
.sk-otp-row {
  display: flex;
  gap: 8px;
  justify-content: center;
  direction: ltr;
  margin-bottom: 14px;
}
.sk-otp-box {
  width: 44px;
  height: 52px;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  font-family: var(--font-base);
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  color: var(--text-strong);
  outline: none;
  caret-color: var(--color-primary);
  transition: border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
  font-feature-settings: "tnum" 1;
}
.sk-otp-box::placeholder { color: var(--gray-300); }
.sk-otp-box:focus {
  border-color: var(--color-primary);
  box-shadow: var(--ring-focus);
}
.sk-otp-box.is-error {
  border-color: var(--danger-fg);
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.15);
}
.sk-otp-box.is-success {
  border-color: var(--success-fg);
  box-shadow: 0 0 0 3px rgba(15, 110, 86, 0.15);
}
.sk-otp-box.is-focus {
  border-color: var(--color-primary);
  box-shadow: var(--ring-focus);
}

/* ── Resend row ──────────────────────────────────── */
.sk-resend-row {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}
#sk-seller-otp-resend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--blue-600);
  font-size: 13px;
  font-family: var(--font-base);
  font-weight: 600;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-standard);
}
#sk-seller-otp-resend:hover:not(:disabled) { background: var(--surface-muted); }
#sk-seller-otp-resend:disabled {
  color: var(--text-subtle);
  cursor: not-allowed;
}

/* ── Info states ──────────────────────────────────── */
.sk-info-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: clamp(32px, 6vw, 48px) clamp(24px, 5vw, 32px);
}
.sk-info-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sk-info-icon--info    { background: var(--info-bg);    color: var(--info-fg); }
.sk-info-icon--warn    { background: var(--warning-bg); color: var(--warning-fg); }
.sk-info-icon--pending { background: var(--blue-100);  color: var(--blue-700); }

.sk-info-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-strong);
  margin: 0;
  line-height: 1.4;
}
.sk-info-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
  max-width: 360px;
}

/* ── Success state ────────────────────────────────── */
.sk-success-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: clamp(32px, 6vw, 48px) clamp(24px, 5vw, 32px);
}
.sk-success-check {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--success-bg);
  color: var(--success-fg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  animation: skSuccessPop 400ms var(--ease-out) both;
}
@keyframes skSuccessPop {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}
.sk-success-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-default);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: skBtnSpin 0.8s linear infinite;
  margin-top: 8px;
}

/* ── Alert ───────────────────────────────────────── */
.sk-alert {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.55;
  margin-bottom: 12px;
}
.sk-alert--error {
  background: var(--danger-bg);
  color: var(--danger-fg);
  border: 1px solid rgba(180, 35, 24, 0.2);
}
.sk-alert--warning {
  background: var(--warning-bg);
  color: var(--warning-fg);
  border: 1px solid rgba(133, 79, 11, 0.2);
}
.sk-alert[hidden] { display: none; }

/* ── Toasts ──────────────────────────────────────── */
.sk-toast-stack {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 9999;
  pointer-events: none;
}
.sk-toast {
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-base);
  box-shadow: var(--shadow-lg);
  animation: skToastSlide 200ms var(--ease-out) both;
  white-space: nowrap;
  pointer-events: auto;
}
@keyframes skToastSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: none; }
}
.sk-toast.is-closing { animation: skToastFade 200ms var(--ease-standard) both; }
@keyframes skToastFade {
  from { opacity: 1; transform: none; }
  to   { opacity: 0; transform: translateY(-4px); }
}
.sk-toast--success { background: var(--success-fg); color: #fff; }
.sk-toast--error   { background: var(--danger-fg);  color: #fff; }
.sk-toast--info    { background: var(--blue-700);  color: #fff; }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 480px) {
  .silokala-seller-auth-root {
    padding: 12px 8px;
    align-items: flex-start;
  }
  .sk-seller-card { border-radius: var(--radius-lg); }
  .sk-screen-padded { padding: 24px 16px; }
  .sk-otp-box { width: 38px; height: 46px; font-size: 18px; }
  .sk-otp-row { gap: 6px; }
  .sk-screen-title { font-size: 20px; }
}

/* ── Screen transitions ─────────────────────────────── */
.sk-screen {
  transition: opacity 200ms var(--ease-standard);
}
.sk-screen.is-entering {
  animation: skScreenEnter 220ms var(--ease-out) both;
}
@keyframes skScreenEnter {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}