/* منصة النشاط الطلابي — الأنماط المشتركة (مستوحاة من هوية تطبيق مسابقة اليوم الوطني) */
@font-face{font-family:'Cairo';src:url(/fonts/Cairo-Variable.ttf) format('truetype');font-weight:200 1000;font-display:swap}
@font-face{font-family:'Tajawal';src:url(/fonts/Tajawal-Medium.ttf) format('truetype');font-weight:400 500;font-display:swap}
@font-face{font-family:'Tajawal';src:url(/fonts/Tajawal-Bold.ttf) format('truetype');font-weight:600 700;font-display:swap}
@font-face{font-family:'Tajawal';src:url(/fonts/Tajawal-ExtraBold.ttf) format('truetype');font-weight:800;font-display:swap}
@font-face{font-family:'Tajawal';src:url(/fonts/Tajawal-Black.ttf) format('truetype');font-weight:900;font-display:swap}
:root{
  --green:#006C35; --green-d:#004d26; --green-l:#e7f4ec; --gold:#C8A24A; --gold-l:#fff4d6; --gold-d:#7a5b10;
  --ink:#10231a; --muted:#5d6f66; --bg:#f4f8f5; --card:#fff; --danger:#c62828; --danger-l:#fdecea; --radius:20px;
  --shadow:0 10px 30px rgba(0,60,30,.12); --line:#dbe7df;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Tajawal','Cairo',system-ui,sans-serif;background:var(--bg);color:var(--ink);min-height:100vh;-webkit-tap-highlight-color:transparent;line-height:1.6}
[hidden]{display:none!important}
.bg-pattern{position:fixed;inset:0;z-index:-1;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath d='M30 4l6 14 14 6-14 6-6 14-6-14-14-6 14-6z' fill='%23006C35' fill-opacity='.05'/%3E%3C/svg%3E")}
.hero{position:relative;color:#fff;overflow:hidden;
  background:radial-gradient(circle at 20% 10%,#0a8a47 0,transparent 55%),linear-gradient(160deg,#007a3d 0%,#006C35 45%,#00552a 100%);
  padding:18px 16px 64px;border-radius:0 0 36px 36px;box-shadow:var(--shadow)}
.hero::after{content:"";position:absolute;inset:auto -10% -40px -10%;height:80px;background:var(--bg);border-radius:50% 50% 0 0}
.sadu{position:absolute;top:0;left:0;right:0;height:10px;background:repeating-linear-gradient(45deg,var(--gold) 0 7px,#fff 7px 10px,var(--green-d) 10px 17px,#fff 17px 20px)}
.hero-inner{position:relative;z-index:1;max-width:620px;margin:0 auto;text-align:center}
.school{display:flex;align-items:center;gap:10px;justify-content:center;margin-top:10px}
.school-logo{flex:0 0 auto;width:68px;height:68px;border-radius:50%;background:#fff;padding:4px;box-shadow:0 6px 16px rgba(0,0,0,.22);border:2px solid var(--gold);display:flex;align-items:center;justify-content:center}
.school-logo img{width:100%;height:100%;object-fit:contain;display:block;border-radius:50%}
.school-name{font-family:'Cairo';font-weight:800;font-size:1.05rem;text-align:right}
.school-dept{font-size:.9rem;opacity:.9;text-align:right}
.title{font-family:'Cairo';font-weight:900;font-size:clamp(1.3rem,5.6vw,1.9rem);margin:16px 0 2px;text-shadow:0 3px 10px rgba(0,0,0,.2);line-height:1.45}
.subtitle{margin:0;opacity:.95;font-weight:500}
.container{max-width:620px;margin:-44px auto 0;padding:0 14px;position:relative;z-index:2}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 16px;margin-bottom:16px;border-top:5px solid var(--green);animation:rise .45s ease both}
.card.gold{border-top-color:var(--gold)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.card-title{font-family:'Cairo';font-weight:800;font-size:1.18rem;margin:0 0 8px;display:flex;align-items:center;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 0 4px var(--gold-l);flex:0 0 auto}
.muted{color:var(--muted)}
.field{margin-bottom:14px}
.field>label,.field .lbl{display:block;font-weight:700;margin-bottom:6px}
.field .hint{display:block;color:var(--muted);font-size:.85rem;font-weight:500;margin-top:4px}
.req{color:var(--danger)}
input,select,textarea{width:100%;font:inherit;font-size:1.05rem;padding:12px 14px;border:2px solid var(--line);border-radius:14px;background:#fbfdfc;color:var(--ink);transition:border-color .2s,box-shadow .2s;appearance:none}
textarea{resize:vertical;min-height:90px;line-height:1.7}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%23006C35' stroke-width='3' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 14px center;padding-left:36px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(0,108,53,.12)}
.invalid input,.invalid select,.invalid textarea,input.invalid,select.invalid{border-color:var(--danger)}
input.ltr{direction:ltr;text-align:right;letter-spacing:1.5px;font-family:'Cairo'}
.err{color:var(--danger);display:block;font-weight:700;font-size:.9rem;margin-top:4px}
.err:empty{display:none}
.btn{font:inherit;font-weight:800;border:0;border-radius:14px;padding:11px 16px;cursor:pointer;transition:transform .1s,box-shadow .2s,opacity .2s;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;line-height:1.3}
.btn:active{transform:scale(.98)}
.btn.big{width:100%;font-size:1.12rem;padding:15px;font-family:'Cairo'}
.btn.primary{background:linear-gradient(135deg,#008a44,var(--green));color:#fff;box-shadow:0 8px 18px rgba(0,108,53,.3)}
.btn.gold{background:linear-gradient(135deg,#d9b55b,#b58d2e);color:#fff;box-shadow:0 8px 18px rgba(160,120,20,.3)}
.btn.wa{background:linear-gradient(135deg,#2bd46a,#128c4a);color:#fff;box-shadow:0 8px 18px rgba(18,140,74,.35)}
.btn.ghost{background:var(--green-l);color:var(--green-d)}
.btn.light{background:#fff;color:var(--green-d);border:2px solid var(--line)}
.btn.danger{background:var(--danger-l);color:var(--danger)}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.btn.sm{padding:7px 11px;font-size:.9rem;border-radius:11px}
.form-error{background:var(--danger-l);color:var(--danger);border-radius:12px;padding:10px 12px;margin:0 0 12px;font-weight:700}
.note{background:var(--gold-l);color:var(--gold-d);border-radius:12px;padding:10px 12px;font-weight:700;font-size:.93rem}
.ok-note{background:var(--green-l);color:var(--green-d);border-radius:12px;padding:10px 12px;font-weight:700}
.spinner{width:44px;height:44px;border:5px solid var(--green-l);border-top-color:var(--green);border-radius:50%;margin:30px auto;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.footer{text-align:center;padding:10px 16px 30px;font-weight:700;color:var(--green-d);font-size:.92rem}
.footer .muted{font-weight:500;font-size:.82rem;margin:2px 0}
.chip{display:inline-flex;align-items:center;gap:4px;border-radius:999px;padding:2px 10px;font-weight:800;font-size:.82rem;white-space:nowrap;background:var(--green-l);color:var(--green-d)}
.chip.gold{background:var(--gold-l);color:var(--gold-d)}
.chip.red{background:var(--danger-l);color:var(--danger)}
.chip.gray{background:#eef1ef;color:#5d6f66}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#10231a;color:#fff;padding:10px 18px;border-radius:14px;font-weight:700;z-index:100;box-shadow:0 10px 30px rgba(0,0,0,.25);max-width:92vw;text-align:center}
@media (min-width:700px){.card{padding:26px}}