@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root{
  --ink:#10223a;
  --muted:#6c7c8d;
  --paper:#f6fbff;
  --blue:#0d77b8;
  --blue-2:#7fd6f4;
  --deep:#17005d;
  --pink:#ff3f72;
  --gold:#ffbf2f;
  --line:#dceaf3;
  --shadow:0 18px 50px rgba(15,67,102,.12);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:linear-gradient(180deg,#eaf8ff 0%,#f9fcff 48%,#eef8ff 100%)}
body{min-height:100vh}
button,textarea{font:inherit}
button{cursor:pointer}
.app-shell{width:min(100%,760px);margin:auto;padding:18px 16px 34px}

.brandbar{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;margin-bottom:18px}
.brand-logo{
  width:64px;
  height:64px;
  display:block;
  object-fit:cover;
  border-radius:20px;
  box-shadow:0 10px 24px rgba(20,58,90,.12);
}
.brand-logo--school{width:64px;height:64px}
.brand-logo--codifica{width:64px;height:64px}
.brand-logos{display:inline-flex!important;flex-direction:row!important;flex-wrap:nowrap!important;align-items:center;justify-content:flex-end;gap:10px;width:auto!important;min-width:max-content}
.brand-plus{display:grid;place-items:center;width:30px;height:30px;border-radius:999px;background:#fff;border:1px solid rgba(13,119,184,.18);color:#1488be;font-size:1.15rem;font-weight:800;line-height:1;box-shadow:0 6px 16px rgba(15,67,102,.08)}
.brand-copy{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-width:0}
.brand-copy span{font-size:.88rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:#1878aa}
.brand-copy strong{font-size:1.08rem}

.screen{display:none}
.screen--active{display:block;animation:fade .28s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.hero-card,.project-card{background:rgba(255,255,255,.94);border:1px solid rgba(160,209,232,.55);border-radius:28px;box-shadow:var(--shadow);overflow:hidden}
.hero-card{padding:36px 24px;text-align:center}
.hero-card h1{font-size:clamp(2rem,8vw,3.7rem);line-height:1.02;margin:14px auto 16px;max-width:650px;letter-spacing:-.04em}
.hero-card p{color:var(--muted);line-height:1.65;max-width:590px;margin:0 auto 24px}
.eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:#e6f6ff;color:#0f76a7;font-size:.74rem;font-weight:800;letter-spacing:.13em}
.primary-btn,.secondary-btn{border:0;border-radius:16px;padding:16px 20px;font-weight:800;font-size:1rem;width:100%;transition:.18s ease}
.primary-btn{background:linear-gradient(135deg,#0878b8,#0ba5d5);color:#fff;box-shadow:0 10px 24px rgba(8,120,184,.22)}
.primary-btn:hover{transform:translateY(-1px)}
.primary-btn:disabled{cursor:not-allowed;opacity:.45;transform:none;box-shadow:none}
.secondary-btn{background:#edf7fc;color:#126991}
.tiny{width:100%;font-size:.78rem!important;text-align:center;margin:12px auto 0!important}
.progress-wrap{padding:6px 4px 14px}
.progress-row{display:flex;justify-content:space-between;font-size:.8rem;font-weight:700;color:#527286;margin-bottom:8px}
.progress-track{height:8px;border-radius:999px;background:#d8ebf5;overflow:hidden}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,#12a0d1,#7356d9);border-radius:999px;transition:width .35s ease}
.project-photo-wrap{position:relative;min-height:310px;background:linear-gradient(145deg,#d9f4ff,#bce8f9);display:grid;place-items:center;overflow:hidden}
.project-photo{width:100%;height:100%;max-height:480px;object-fit:cover;display:none}
.project-placeholder{font-size:7rem;filter:drop-shadow(0 10px 24px rgba(16,81,117,.12))}
.class-pill{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-radius:999px;padding:8px 12px;font-size:.8rem;font-weight:800;color:#126991;box-shadow:0 5px 16px rgba(18,105,145,.15)}
.project-content{padding:22px}
.project-content h2{font-size:clamp(1.7rem,7vw,2.5rem);margin:0 0 8px;letter-spacing:-.035em}
.project-content>p{margin:0 0 22px;color:var(--muted);line-height:1.58}
.label{display:block;font-weight:800;font-size:.9rem;margin-bottom:10px}
.label small{font-weight:500;color:#8295a3}
.rating-block,.suggestions-wrap,.comment-box{display:block;margin-bottom:20px}
.stars{display:flex;gap:6px;margin-bottom:8px}
.stars button{border:0;background:transparent;padding:2px;font-size:2.35rem;color:#d7e1e8;line-height:1;transition:.15s ease}
.stars button.active{color:var(--gold);transform:scale(1.05)}
.stars button:hover{transform:scale(1.08)}
.rating-label{font-size:.82rem;color:#6c7c8d}
.hidden{display:none!important}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid #cfe4ef;background:#f7fcff;color:#315a70;border-radius:999px;padding:10px 13px;font-weight:700;font-size:.84rem}
.chip.selected{background:#daf3ff;border-color:#66c8ea;color:#086f9f}
.comment-box{position:relative}
textarea{width:100%;min-height:96px;resize:vertical;border:1px solid #cfe1ec;border-radius:16px;padding:13px 14px 26px;outline:none;color:var(--ink);background:#fbfdff}
textarea:focus{border-color:#5bbbe0;box-shadow:0 0 0 3px rgba(91,187,224,.13)}
.char-count{position:absolute;right:12px;bottom:8px;font-size:.7rem;color:#91a2ae}
.hero-card--done{padding-top:48px;padding-bottom:48px}
.done-icon{font-size:4.5rem;margin-bottom:12px}
.done-count{display:inline-flex;margin:-4px auto 24px;padding:10px 14px;border-radius:14px;background:#eff9ff;font-weight:800;color:#0d78aa}
.teacher-access{width:min(100%,760px);margin:8px auto 0;padding:0 16px;text-align:center}
.teacher-access-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:999px;background:#eaf7fd;border:1px solid rgba(13,119,184,.18);color:#126991;text-decoration:none;font-size:.86rem;font-weight:700;box-shadow:0 6px 18px rgba(15,67,102,.06);transition:.18s ease}
.teacher-access-btn:hover{background:#dff2fb;color:#0d77b8;transform:translateY(-1px)}
.site-footer{width:min(100%,760px);margin:10px auto 0;padding:12px 16px 24px;text-align:center}
.footer-links{display:flex;width:max-content;max-width:100%;margin:0 auto;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;padding:12px 18px;border-radius:999px;background:rgba(255,255,255,.6);border:1px solid rgba(160,209,232,.5);box-shadow:0 8px 24px rgba(15,67,102,.08);backdrop-filter:blur(8px)}
.footer-links a{color:#5c7d92;text-decoration:none;font-size:.92rem;font-weight:600;transition:.18s ease}
.footer-links a:hover{color:#0d77b8;transform:translateY(-1px)}
.footer-separator{color:#9db5c4;font-weight:600}
.admin-shell{width:min(100%,1000px);margin:auto;padding:22px 16px 60px}
.admin-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
.admin-header h1{margin:0;font-size:1.7rem}
.admin-grid{display:grid;grid-template-columns:360px 1fr;gap:18px}
.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow)}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-weight:700;font-size:.82rem;margin-bottom:6px}
.field input,.field textarea{width:100%;border:1px solid #cfdee7;border-radius:12px;padding:11px 12px;background:#fff}
.field textarea{min-height:100px}
.admin-list{display:grid;gap:10px}
.admin-item{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:16px}
.admin-thumb{width:62px;height:62px;border-radius:12px;background:#eaf7fd;object-fit:cover}
.admin-meta{flex:1;min-width:0}
.admin-meta strong{display:block}
.admin-meta span{font-size:.8rem;color:var(--muted)}
.danger-btn{border:0;background:#fff0f2;color:#b92845;padding:8px 10px;border-radius:10px;font-weight:800}
.mode-note{padding:12px 14px;background:#fff8db;color:#6f5a00;border-radius:12px;font-size:.8rem;line-height:1.45;margin-bottom:16px}
@media(max-width:720px){.admin-grid{grid-template-columns:1fr}.project-photo-wrap{min-height:280px}}
@media(max-width:420px){
  .brandbar{grid-template-columns:minmax(0,1fr) auto;gap:10px}
  .brand-logos{gap:6px}
  .brand-plus{width:24px;height:24px;font-size:.95rem}
  .brand-copy span{font-size:.70rem}
  .brand-copy strong{font-size:.86rem}
  .brand-logo,
  .brand-logo--school,
  .brand-logo--codifica{
    width:52px;
    height:52px;
    border-radius:16px;
  }
  .stars button{font-size:2rem}
  .hero-card{padding:30px 20px}
  .footer-links{gap:8px;padding:10px 14px}
  .footer-links a{font-size:.84rem}
}
.login-modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:20px;z-index:1000}
.login-modal.open{display:flex}
.login-backdrop{position:absolute;inset:0;background:rgba(10,31,49,.45);backdrop-filter:blur(5px)}
.login-card{position:relative;width:min(100%,420px);background:#fff;border:1px solid rgba(160,209,232,.65);border-radius:24px;padding:28px;box-shadow:0 24px 70px rgba(10,47,72,.22);z-index:1}
.login-card h2{margin:12px 0 8px;font-size:1.65rem}
.login-card p{margin:0 0 20px;color:var(--muted);line-height:1.5}
.login-close{position:absolute;top:12px;right:14px;width:36px;height:36px;border:0;border-radius:50%;background:#eef7fc;color:#4f7187;font-size:1.45rem;line-height:1}
.login-error{min-height:20px;margin:-2px 0 10px;color:#b92845;font-size:.82rem;font-weight:700}
body.modal-open{overflow:hidden}
.staff-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#edf7fc;color:#126991;font-size:.78rem;font-weight:800}
.logout-btn{border:0;background:#fff0f2;color:#b92845;padding:9px 12px;border-radius:10px;font-weight:800}

.photo-field>span{display:block;font-weight:700;font-size:.82rem;margin-bottom:8px}
.photo-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.photo-action-btn{display:flex;align-items:center;gap:10px;width:100%;min-height:74px;padding:12px 14px;border:1px solid #cfe1ec;border-radius:16px;background:#f9fcfe;color:var(--ink);text-align:left;transition:.18s ease}
.photo-action-btn:hover{border-color:#79c9e7;background:#f0faff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,67,102,.08)}
.photo-action-btn--camera{background:linear-gradient(135deg,#eefaff,#f8fdff)}
.photo-action-icon{display:grid;place-items:center;flex:0 0 auto;width:42px;height:42px;border-radius:13px;background:#e3f5fd;font-size:1.25rem}
.photo-action-btn strong{display:block;font-size:.9rem}
.photo-action-btn small{display:block;margin-top:2px;color:#7a8d99;font-size:.72rem;font-weight:600}
.hidden-file-input{display:none!important}
.photo-preview-wrap{margin-top:12px;padding:10px;border:1px solid #d8e8f1;border-radius:16px;background:#fbfdff}
.photo-preview{display:block;width:100%;max-height:220px;object-fit:cover;border-radius:12px;background:#eaf7fd}
.photo-preview-info{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:9px}
.photo-preview-info strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;color:#557184}
.photo-remove-btn{border:0;border-radius:10px;padding:7px 10px;background:#fff0f2;color:#b92845;font-size:.76rem;font-weight:800}
@media(max-width:480px){.photo-actions{grid-template-columns:1fr}.photo-action-btn{min-height:64px}}