/* ═══ منصة منظومة النشاط الطلابي — شاشة الدخول والتحميل ═══ */

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  min-height: 100%;
}

body {
  font-family: var(--pf-font);
  background: var(--pf-bg);
  color: var(--pf-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ══════════ التخطيط ══════════ */
.pf-auth {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
}

/* ── اللوحة الفنية ── */
.pf-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(201, 162, 39, .26), transparent 46%),
    radial-gradient(80% 60% at 4% 100%, rgba(45, 191, 143, .22), transparent 55%),
    linear-gradient(158deg, #04241c 0%, #06382b 52%, #041f18 100%);
  color: #fff;
  padding: 54px 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(70% 60% at 60% 40%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 60% 40%, #000, transparent 78%);
}
.pf-hero > * { position: relative; z-index: 1; }

.pf-brand { display: flex; align-items: center; gap: 14px; }
.pf-brand-mark {
  width: 58px; height: 58px; flex: none;
  border-radius: 19px;
  background: linear-gradient(150deg, var(--pf-gold-300), var(--pf-gold-500));
  display: grid; place-items: center;
  box-shadow: var(--pf-sh-gold), inset 0 1px 0 rgba(255, 255, 255, .55);
}
.pf-brand-mark svg { width: 32px; height: 32px; color: #06342a; }
.pf-brand-txt h1 {
  font-family: var(--pf-display);
  font-size: 21px; font-weight: 600; letter-spacing: -.2px;
}
.pf-brand-txt p {
  font-size: 12px; margin-top: 3px;
  color: rgba(255, 255, 255, .58); font-weight: 500;
}

.pf-hero-mid { max-width: 460px; }
.pf-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 14px 6px 11px;
  border-radius: 999px;
  background: rgba(201, 162, 39, .14);
  border: 1px solid rgba(201, 162, 39, .34);
  color: var(--pf-gold-300);
  font-size: 11.5px; font-weight: 700;
  margin-bottom: 20px;
}
.pf-eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--pf-gold-400); box-shadow: 0 0 0 4px rgba(201,162,39,.18); }
.pf-hero-mid h2 {
  font-family: var(--pf-display);
  font-size: 37px; font-weight: 600; line-height: 1.35;
  letter-spacing: -.6px;
}
.pf-hero-mid h2 b {
  font-weight: 600;
  background: linear-gradient(100deg, var(--pf-gold-300), var(--pf-gold-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pf-hero-mid > p {
  margin-top: 16px;
  font-size: 14.5px; line-height: 2.05;
  color: rgba(255, 255, 255, .72);
}

.pf-feats { margin-top: 34px; display: grid; gap: 13px; }
.pf-feat { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: rgba(255, 255, 255, .84); }
.pf-feat span {
  width: 34px; height: 34px; flex: none; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .1);
  color: var(--pf-gold-300);
}
.pf-feat svg { width: 17px; height: 17px; }

.pf-hero-foot { font-size: 11.5px; color: rgba(255, 255, 255, .4); }
.pf-hero-foot a { color: var(--pf-gold-300); text-decoration: none; }

/* ── لوحة النموذج ── */
.pf-panel {
  display: grid;
  place-items: center;
  padding: 40px 34px;
  background: var(--pf-bg);
}
.pf-card {
  width: 100%; max-width: 412px;
}
.pf-card > h3 {
  font-family: var(--pf-display);
  font-size: 25px; font-weight: 600;
  letter-spacing: -.3px;
}
.pf-card > .pf-sub {
  color: var(--pf-muted); font-size: 13px; margin-top: 7px; line-height: 1.9;
}

.pf-tabs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4px; padding: 4px;
  background: var(--pf-bg-2);
  border-radius: var(--pf-r);
  margin: 22px 0 20px;
}
.pf-tabs button {
  border: 0; background: transparent; cursor: pointer;
  font-family: var(--pf-font); font-size: 13px; font-weight: 700;
  color: var(--pf-muted);
  padding: 10px; border-radius: 11px;
  transition: .18s;
}
.pf-tabs button.on {
  background: var(--pf-card); color: var(--pf-em-700);
  box-shadow: var(--pf-sh-sm);
}

.pf-field { margin-bottom: 14px; }
.pf-field label {
  display: block; font-size: 12px; font-weight: 700;
  color: var(--pf-muted); margin-bottom: 6px;
}
.pf-field input {
  width: 100%;
  font-family: var(--pf-font); font-size: 14px;
  color: var(--pf-ink);
  background: var(--pf-card);
  border: 1.5px solid var(--pf-line);
  border-radius: var(--pf-r-sm);
  padding: 12px 14px;
  transition: border-color .18s, box-shadow .18s;
}
.pf-field input::placeholder { color: #a9bcb3; }
.pf-field input:focus {
  outline: 0;
  border-color: var(--pf-em-500);
  box-shadow: 0 0 0 4px rgba(18, 128, 94, .1);
}
.pf-field.code input {
  text-align: center; letter-spacing: 4px;
  font-weight: 700; font-size: 16px;
  text-transform: uppercase;
  background: linear-gradient(180deg, #fffdf5, #fff);
  border-color: var(--pf-gold-400);
}
.pf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.pf-btn {
  width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--pf-font); font-size: 14.5px; font-weight: 700;
  color: #fff; cursor: pointer;
  border: 0; border-radius: var(--pf-r-sm);
  padding: 13px 18px;
  background: linear-gradient(145deg, var(--pf-em-600), var(--pf-em-800));
  box-shadow: 0 10px 22px -10px rgba(10, 75, 58, .8);
  transition: transform .15s, box-shadow .15s, filter .15s;
}
.pf-btn:hover { transform: translateY(-1px); box-shadow: 0 14px 28px -12px rgba(10, 75, 58, .9); }
.pf-btn:active { transform: translateY(0); }
.pf-btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }
.pf-btn svg { width: 17px; height: 17px; }

.pf-msg {
  margin-top: 14px; padding: 11px 13px;
  border-radius: var(--pf-r-sm);
  font-size: 12.5px; line-height: 1.85;
  display: none;
}
.pf-msg.err { display: block; background: #fdecec; border: 1px solid #f6c9c9; color: #a32732; }
.pf-msg.ok { display: block; background: #e7f6ef; border: 1px solid #bfe3d2; color: #0a4b3a; }

.pf-note {
  margin-top: 18px; font-size: 12px; color: var(--pf-muted);
  text-align: center; line-height: 1.9;
}
.pf-note a { color: var(--pf-em-600); font-weight: 700; text-decoration: none; }
.pf-hint {
  margin-top: 10px; font-size: 11.5px; color: var(--pf-muted);
  background: var(--pf-bg-2); border-radius: 10px; padding: 9px 12px; line-height: 1.85;
}

/* ══════════ شاشة الإقلاع ══════════ */
.pf-boot {
  position: fixed; inset: 0; z-index: 99999;
  display: grid; place-items: center;
  background:
    radial-gradient(90% 70% at 50% 0, rgba(201, 162, 39, .18), transparent 55%),
    linear-gradient(160deg, #04241c, #06382b 55%, #041f18);
  color: #fff;
}
.pf-boot-in { text-align: center; }
.pf-boot-mark {
  width: 76px; height: 76px; margin: 0 auto 20px;
  border-radius: 24px;
  background: linear-gradient(150deg, var(--pf-gold-300), var(--pf-gold-500));
  display: grid; place-items: center;
  box-shadow: var(--pf-sh-gold);
  animation: pf-breathe 2.4s ease-in-out infinite;
}
.pf-boot-mark svg { width: 42px; height: 42px; color: #06342a; }
@keyframes pf-breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 8px 20px -6px rgba(201, 162, 39, .45); }
  50% { transform: scale(1.06); box-shadow: 0 16px 34px -6px rgba(201, 162, 39, .6); }
}
.pf-boot h4 { font-family: var(--pf-display); font-size: 19px; font-weight: 600; }
.pf-boot p { margin-top: 8px; font-size: 12.5px; color: rgba(255, 255, 255, .6); }
.pf-bar {
  width: 200px; height: 4px; margin: 20px auto 0;
  border-radius: 99px; background: rgba(255, 255, 255, .12); overflow: hidden;
}
.pf-bar i {
  display: block; height: 100%; width: 40%;
  border-radius: 99px;
  background: linear-gradient(90deg, transparent, var(--pf-gold-400), transparent);
  animation: pf-slide 1.15s linear infinite;
}
@keyframes pf-slide { from { transform: translateX(160%); } to { transform: translateX(-260%); } }

/* ══════════ استجابة ══════════ */
@media (max-width: 980px) {
  .pf-auth { grid-template-columns: 1fr; }
  .pf-hero { padding: 30px 26px 34px; }
  .pf-hero-mid h2 { font-size: 27px; }
  .pf-hero-mid > p { font-size: 13.5px; }
  .pf-feats, .pf-hero-foot { display: none; }
  .pf-panel { padding: 30px 22px 46px; }
}
@media (max-width: 420px) {
  .pf-row { grid-template-columns: 1fr; }
}