/*
 * auth.css — صفحات الدخول/التسجيل (نظام تصميم فِهرس)
 * بطاقة مركزية على خلفية مسطّرة + أشكال طافية — حواف حادّة وظلال صلبة.
 */

.fh-auth {
    position: relative; min-height: 100vh; overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    padding: 48px 24px; direction: rtl; background: var(--fh-paper); color: var(--fh-ink);
}
.fh-auth *, .fh-auth *::before, .fh-auth *::after { box-sizing: border-box; }

/* خلفية مسطّرة + أشكال طافية */
.fh-auth-rule { position: absolute; inset: 0; background-image: linear-gradient(var(--fh-border) 1px, transparent 1px); background-size: 100% 40px; opacity: .4; pointer-events: none; }
.fh-auth-shape { position: absolute; pointer-events: none; }
.fh-auth-shape.s1 { top: 8%; right: 9%; width: 26px; height: 26px; border: 1px solid var(--fh-copper); animation: fhDrift 7s ease-in-out infinite; }
.fh-auth-shape.s2 { top: 18%; right: 14%; width: 10px; height: 10px; background: var(--fh-copper); opacity: .55; animation: fhDrift2 6s ease-in-out infinite; }
.fh-auth-shape.s3 { bottom: 12%; left: 10%; width: 34px; height: 34px; border: 1px solid var(--fh-border-strong); animation: fhDrift2 9s ease-in-out infinite; }
.fh-auth-shape.s4 { bottom: 22%; left: 15%; width: 12px; height: 12px; background: var(--fh-copper-200); animation: fhDrift 8s ease-in-out infinite; }

/* البطاقة */
.fh-auth-card {
    position: relative; width: 100%; max-width: 452px; background: var(--fh-surface);
    border: 1px solid var(--fh-ink); box-shadow: 8px 8px 0 var(--fh-copper);
    padding: 44px 44px 40px; animation: fhRise .6s cubic-bezier(0.22,1,0.36,1) both;
}
.fh-auth-card.wide { max-width: 512px; }

.fh-auth-brand { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.fh-auth-brand .ar { font-family: var(--font-heading); font-weight: 700; font-size: 46px; line-height: 1; color: var(--fh-ink); }
.fh-auth-brand .en { font-family: var(--font-latin); font-size: 10px; letter-spacing: 0.24em; color: var(--fh-ink-500); text-transform: uppercase; }

.fh-auth-orn { display: flex; align-items: center; gap: 12px; margin: 22px 0 20px; }
.fh-auth-orn .line { flex: 1; height: 1px; background: var(--fh-border); }
.fh-auth-orn .d { width: 6px; height: 6px; transform: rotate(45deg); flex: none; }
.fh-auth-orn .d.fill { background: var(--fh-copper); }
.fh-auth-orn .d.hollow { border: 1px solid var(--fh-copper); }

.fh-auth-epi { text-align: center; margin-bottom: 26px; }
.fh-auth-epi .q { font-family: var(--font-heading); font-size: 19px; line-height: 1.7; color: var(--fh-ink); }
.fh-auth-epi .s { font-size: 12px; color: var(--fh-ink-500); margin-top: 6px; }

.fh-auth-head { margin-bottom: 22px; }
.fh-auth-head h1 { font-family: var(--font-heading); font-weight: 700; font-size: 30px; margin: 0 0 4px; }
.fh-auth-head p { font-size: 13px; color: var(--fh-ink-500); margin: 0; line-height: 1.7; }

.fh-auth-form { display: flex; flex-direction: column; gap: 18px; }
.fh-field { display: flex; flex-direction: column; gap: 7px; }
.fh-field > label { font-size: 12px; font-weight: 600; }
.fh-field-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.fh-field-row a { font-size: 12px; color: var(--fh-copper); }

.fh-input-wrap { position: relative; }
.fh-input-icon { position: absolute; top: 50%; right: 13px; transform: translateY(-50%); display: flex; color: var(--fh-copper); pointer-events: none; }
.fh-input {
    width: 100%; font-family: var(--font-body); background: var(--fh-surface);
    border: 1px solid var(--fh-border-strong); padding: 12px 42px 12px 14px; font-size: 14px;
    color: var(--fh-ink); outline: none; text-align: right;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.fh-input.has-toggle { padding-left: 44px; }
.fh-input:focus { border-color: var(--fh-ink); box-shadow: 3px 3px 0 var(--fh-copper); }
.fh-input.error { border-color: var(--fh-error); box-shadow: 3px 3px 0 var(--fh-error); }
.fh-input::placeholder { color: var(--fh-ink-300); }
.fh-toggle { position: absolute; top: 50%; left: 8px; transform: translateY(-50%); background: none; border: none; padding: 5px; cursor: pointer; color: var(--fh-ink-500); display: flex; transition: color .15s ease; }
.fh-toggle:hover { color: var(--fh-ink); }

/* اسم المستخدم مع بادئة المضيف */
.fh-username { display: flex; align-items: stretch; border: 1px solid var(--fh-border-strong); background: var(--fh-surface); direction: ltr; transition: border-color .15s ease, box-shadow .15s ease; }
.fh-username:focus-within { border-color: var(--fh-ink); box-shadow: 3px 3px 0 var(--fh-copper); }
.fh-username .host { background: var(--fh-sand-100); border-right: 1px solid var(--fh-border-strong); font-family: var(--font-latin); font-size: 12px; color: var(--fh-ink-500); padding: 12px 12px; display: flex; align-items: center; white-space: nowrap; }
.fh-username input { flex: 1; min-width: 60px; border: none; outline: none; background: transparent; font-family: var(--font-latin); font-size: 14px; color: var(--fh-ink); padding: 12px 12px; text-align: left; }

/* نوع الحساب */
.fh-acct { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.fh-acct input { position: absolute; opacity: 0; pointer-events: none; }
.fh-acct label { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px; border: 1px solid var(--fh-border-strong); font-size: 13px; font-weight: 600; cursor: pointer; color: var(--fh-ink-500); transition: all .15s ease; text-align: center; }
.fh-acct input:checked + label { border-color: var(--fh-ink); color: var(--fh-ink); box-shadow: 3px 3px 0 var(--fh-copper); background: var(--fh-copper-100); }

/* تذكّرني */
.fh-remember { display: flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; }
.fh-remember input { position: absolute; opacity: 0; pointer-events: none; }
.fh-remember .box { width: 18px; height: 18px; flex: none; border: 1px solid var(--fh-ink); background: var(--fh-surface); display: flex; align-items: center; justify-content: center; transition: background .12s ease; }
.fh-remember input:checked + .box { background: var(--fh-copper); }
.fh-remember .box svg { opacity: 0; }
.fh-remember input:checked + .box svg { opacity: 1; }
.fh-remember .t { font-size: 13px; color: var(--fh-ink-700); }

/* الزر */
.fh-auth-submit {
    margin-top: 4px; font-family: var(--font-body); background: var(--fh-ink); color: var(--fh-paper);
    border: 1px solid var(--fh-ink); box-shadow: 4px 4px 0 var(--fh-copper); padding: 14px 26px;
    font-size: 15px; font-weight: 600; cursor: pointer; display: flex; align-items: center;
    justify-content: center; gap: 8px; transition: transform .15s ease, box-shadow .15s ease;
}
.fh-auth-submit:hover:not(:disabled) { transform: translate(-3px,-3px); box-shadow: 7px 7px 0 var(--fh-copper); }
.fh-auth-submit:active:not(:disabled) { transform: translate(0,0); box-shadow: 2px 2px 0 var(--fh-copper); }
.fh-auth-submit:disabled { opacity: .6; cursor: default; }

.fh-auth-foot { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--fh-border); text-align: center; font-size: 13px; color: var(--fh-ink-500); }
.fh-auth-foot a { font-weight: 600; color: var(--fh-copper); }

/* قواعد كلمة المرور */
.fh-pw-rules { border: 1px solid var(--fh-border); background: var(--fh-sand-100); padding: 12px 14px; margin-top: 2px; }
.fh-pw-rules ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; }
.fh-pw-rules li { font-size: 11.5px; color: var(--fh-ink-500); display: flex; align-items: center; gap: 6px; transition: color .2s; }
.fh-pw-rules li .ic { width: 15px; height: 15px; border: 1px solid var(--fh-border-strong); display: flex; align-items: center; justify-content: center; font-size: 9px; flex: none; }
.fh-pw-rules li.ok { color: var(--fh-copper); }
.fh-pw-rules li.ok .ic { background: var(--fh-copper); border-color: var(--fh-copper); color: var(--fh-paper); }

/* مؤشّر تطابق كلمتي المرور */
.fh-pw-match { font-size: 12px; font-weight: 600; margin-top: 6px; }
.fh-pw-match.ok { color: var(--fh-copper); }
.fh-pw-match.err { color: #B91C1C; }

/* رسائل الحالة */
.fh-auth-status { padding: 12px 14px; margin-bottom: 18px; font-size: 13px; line-height: 1.7; border: 1px solid; }
.fh-auth-status.ok { color: var(--fh-copper-900); border-color: var(--fh-copper); background: var(--fh-copper-100); }
.fh-auth-status.err { color: var(--fh-error); border-color: var(--fh-error); background: #FCF1F1; }
.fh-auth-status ul { margin: 0; padding-right: 1.1rem; }

@keyframes fhRise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes fhFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes fhDrift { 0% { transform: rotate(45deg) translateY(0); } 50% { transform: rotate(45deg) translateY(-10px); } 100% { transform: rotate(45deg) translateY(0); } }
@keyframes fhDrift2 { 0% { transform: rotate(45deg) translateY(0); } 50% { transform: rotate(45deg) translateY(12px); } 100% { transform: rotate(45deg) translateY(0); } }

@media (prefers-reduced-motion: reduce) {
    .fh-auth-shape, .fh-auth-card { animation: none; }
}
@media (max-width: 460px) {
    .fh-auth-card { padding: 32px 24px 28px; }
    .fh-pw-rules ul { grid-template-columns: 1fr; }
    .fh-acct { grid-template-columns: 1fr; }
}