/* =====================================================================
   OrderStraight — auth modal styles (Stage 3).
   Sign-in / OTP-verify sheet. Uses brand --os-* tokens from index.php.
   ===================================================================== */

.os-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15,27,48,0.55);
  display: flex; align-items: flex-end; justify-content: center;
  z-index: 1000;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 0;
}
.os-modal-backdrop[aria-hidden="false"] { opacity: 1; pointer-events: auto; }
@media (min-width: 600px) { .os-modal-backdrop { align-items: center; padding: 20px; } }

.os-modal {
  background: #fff;
  width: 100%; max-width: 460px;
  border-radius: 22px 22px 0 0;
  padding: 22px 22px 28px;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.25);
  transform: translateY(40px);
  transition: transform 0.22s ease;
  position: relative;
}
.os-modal-backdrop[aria-hidden="false"] .os-modal { transform: translateY(0); }
@media (min-width: 600px) {
  .os-modal { border-radius: 22px; transform: scale(0.96); }
  .os-modal-backdrop[aria-hidden="false"] .os-modal { transform: scale(1); }
}

.os-modal .grab {
  width: 40px; height: 4px; background: #d6d3cb; border-radius: 2px;
  margin: 0 auto 14px;
}
@media (min-width: 600px) { .os-modal .grab { display: none; } }

.os-modal .close {
  position: absolute; top: 12px;
  background: transparent; border: 0; cursor: pointer;
  color: var(--os-muted); font-size: 26px; line-height: 1;
  padding: 6px 10px; border-radius: 8px;
}
[dir="ltr"] .os-modal .close { right: 12px; }
[dir="rtl"] .os-modal .close { left: 12px; }
.os-modal .close:hover { background: #f3f0ea; color: var(--os-text); }
.os-modal .close:focus-visible { outline: 3px solid var(--os-accent); outline-offset: 2px; }

.os-modal h2 {
  margin: 4px 0 6px;
  font-size: 22px; font-weight: 800; color: var(--os-text);
  text-align: center;
}
.os-modal p.sub {
  margin: 0 0 20px;
  text-align: center; color: var(--os-muted); font-size: 14px;
  line-height: 1.5;
}
.os-modal p.sub strong { color: var(--os-text); direction: ltr; unicode-bidi: isolate; display: inline-block; }

.os-form { display: flex; flex-direction: column; gap: 14px; }

.os-field { display: flex; flex-direction: column; gap: 6px; }
.os-field label { font-size: 13px; font-weight: 600; color: var(--os-muted); }

.os-phone-wrap {
  display: flex; align-items: stretch;
  border: 1px solid var(--os-line); border-radius: 12px;
  overflow: hidden;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.os-phone-wrap:focus-within { border-color: var(--os-accent); box-shadow: 0 0 0 3px rgba(224,120,86,0.18); }
.os-phone-wrap .cc {
  background: #f3f0ea; color: var(--os-text);
  padding: 12px 14px; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; gap: 4px;
  border-right: 1px solid var(--os-line);
}
[dir="rtl"] .os-phone-wrap .cc { border-right: 0; border-left: 1px solid var(--os-line); }
.os-phone-wrap input {
  flex: 1; border: 0; outline: 0; padding: 12px 14px;
  font-size: 17px; font-family: inherit;
  letter-spacing: 0.5px;
  background: transparent; color: var(--os-text);
  direction: ltr; text-align: left;
}
[dir="rtl"] .os-phone-wrap input { text-align: right; }

.os-input {
  border: 1px solid var(--os-line); border-radius: 12px;
  padding: 12px 14px; font-size: 16px; font-family: inherit;
  background: #fff; color: var(--os-text);
  outline: 0; transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.os-input:focus-visible { border-color: var(--os-accent); box-shadow: 0 0 0 3px rgba(224,120,86,0.18); }

.os-otp-input {
  letter-spacing: 14px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  padding: 14px 14px;
}
[dir="rtl"] .os-otp-input { letter-spacing: 14px; }

.os-btn {
  background: var(--os-accent); color: #fff;
  border: 0; border-radius: 12px;
  padding: 14px 18px; font-size: 16px; font-weight: 700;
  cursor: pointer; font-family: inherit;
  transition: background 0.15s ease, transform 0.05s ease;
}
.os-btn:hover { background: var(--os-accent-d); }
.os-btn:active { transform: scale(0.98); }
.os-btn:disabled { background: var(--os-line); color: var(--os-muted); cursor: wait; }
.os-btn.os-btn-ghost {
  background: transparent; color: var(--os-primary);
  border: 1px solid var(--os-line);
}
.os-btn.os-btn-ghost:hover { background: #f3f0ea; }
.os-btn:focus-visible { outline: 3px solid var(--os-primary); outline-offset: 2px; }

.os-error {
  background: #fdecec; color: #b3261e;
  border: 1px solid #f5b5b5;
  padding: 10px 12px; border-radius: 10px;
  font-size: 14px;
  display: none;
}
.os-error[data-show="1"] { display: block; }

.os-meta-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--os-muted);
  margin-top: 4px;
}
.os-meta-row .resend-link {
  background: transparent; border: 0; color: var(--os-primary);
  font-weight: 700; cursor: pointer; font-size: 13px;
  padding: 4px 6px; border-radius: 6px; font-family: inherit;
}
.os-meta-row .resend-link:disabled { color: var(--os-muted); cursor: default; }
.os-meta-row .resend-link:hover:not(:disabled) { background: #f3f0ea; }

.os-back {
  background: transparent; border: 0; color: var(--os-muted);
  font-size: 14px; cursor: pointer; padding: 6px 4px;
  align-self: flex-start; font-family: inherit;
}
.os-back:hover { color: var(--os-text); }

.os-modal .step { display: none; }
.os-modal .step[data-active="1"] { display: flex; flex-direction: column; gap: 14px; }

.os-success-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--os-success);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin: 0 auto 8px;
}

/* Top-bar account dropdown (logged in) */
.os-account-menu {
  position: absolute; top: 100%;
  background: #fff; color: var(--os-text);
  border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.18);
  min-width: 200px; padding: 6px;
  display: none; z-index: 60;
  margin-top: 6px;
}
[dir="ltr"] .os-account-menu { right: 16px; }
[dir="rtl"] .os-account-menu { left: 16px; }
.os-account-menu[aria-hidden="false"] { display: block; }
.os-account-menu .item {
  display: block; width: 100%; text-align: inherit;
  background: transparent; border: 0; padding: 10px 12px;
  font-size: 14px; font-weight: 600; cursor: pointer; color: inherit;
  border-radius: 8px; font-family: inherit;
}
.os-account-menu .item:hover { background: #f3f0ea; }
.os-account-menu .item.danger { color: #b3261e; }
.os-account-menu .info {
  padding: 10px 12px; font-size: 13px; color: var(--os-muted);
  border-bottom: 1px solid var(--os-line); margin-bottom: 4px;
  word-break: break-all;
}