/* ══ صدى الاختبارات العامة — Public CSS ══ */
:root{--saex-blue:#1D4ED8;--saex-green:#10B981;--saex-red:#EF4444;--saex-orange:#F59E0B;--saex-font:'Tajawal','Cairo',sans-serif}
.saex-page{direction:rtl;font-family:var(--saex-font);max-width:1080px;margin:0 auto;padding:20px 16px}

/* Hero */
.saex-hero{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,#1D4ED8,#3B82F6,#10B981);border-radius:18px;padding:22px 26px;color:white;margin-bottom:24px;flex-wrap:wrap}
.saex-hero-icon{width:52px;height:52px;background:rgba(255,255,255,.2);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}
.saex-hero-title{font-family:Cairo,sans-serif;font-size:1.3rem;font-weight:900;margin:0 0 4px}
.saex-hero-sub{opacity:.88;font-size:.88rem;margin:0}
.saex-hero-btn{margin-right:auto;display:inline-flex;align-items:center;gap:6px;padding:9px 18px;background:white;color:#1D4ED8;border-radius:20px;font-size:.84rem;font-weight:700;text-decoration:none;transition:all .2s}
.saex-hero-btn:hover{background:#EFF6FF}

/* Step cards */
.saex-step-card{background:white;border-radius:14px;border:1px solid #e2e8f0;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.saex-step-title{font-family:Cairo,sans-serif;font-size:1rem;font-weight:800;color:#1e293b;margin:0 0 16px;display:flex;align-items:center;gap:10px}
.saex-step-num{width:28px;height:28px;border-radius:50%;background:#1D4ED8;color:white;display:inline-flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:900;flex-shrink:0}
.saex-count-badge{background:#EFF6FF;color:#1D4ED8;padding:2px 10px;border-radius:20px;font-size:.78rem;font-weight:700}

/* Grade chips */
.saex-grades-grid{display:flex;flex-direction:column;gap:12px}
.saex-grade-section{}
.saex-grade-section-label{font-size:.76rem;font-weight:800;color:#94a3b8;margin-bottom:7px}
.saex-grade-chips{display:flex;flex-wrap:wrap;gap:7px}
.saex-grade-chip{padding:6px 14px;border:1.5px solid #e2e8f0;border-radius:22px;font-size:.82rem;font-weight:700;color:#475569;background:white;cursor:pointer;border:none;font-family:var(--saex-font);transition:all .18s}
.saex-grade-chip:hover{border-color:#3B82F6;color:#1D4ED8;background:#EFF6FF}
.saex-grade-chip.active{background:#1D4ED8;color:white;box-shadow:0 2px 8px rgba(29,78,216,.3)}
.saex-locked-grade{display:flex;align-items:center;gap:10px;font-size:.9rem;color:#374151;flex-wrap:wrap}
.saex-locked-grade strong{color:#1D4ED8;font-size:1rem}
.saex-change-link{font-size:.78rem;color:#3B82F6;text-decoration:none;font-weight:700}

/* Subjects */
.saex-subjects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.saex-subject-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px;border:2px solid #e2e8f0;border-radius:12px;background:white;cursor:pointer;font-family:var(--saex-font);font-size:.84rem;font-weight:700;color:#374151;transition:all .2s;text-align:center;-webkit-tap-highlight-color:transparent}
.saex-subject-card i{font-size:1.4rem;color:#94a3b8}
.saex-subject-card small{font-size:.72rem;color:#94a3b8;font-weight:400}
.saex-subject-card:hover{border-color:#3B82F6;color:#1D4ED8;box-shadow:0 4px 12px rgba(29,78,216,.1)}
.saex-subject-card.active{border-color:#1D4ED8;background:#EFF6FF;color:#1D4ED8}
.saex-subject-card.active i{color:#1D4ED8}

/* Exam cards */
.saex-exams-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.saex-exam-card{background:white;border-radius:14px;border:1px solid #e2e8f0;padding:18px;box-shadow:0 2px 8px rgba(0,0,0,.05);transition:all .22s;display:flex;flex-direction:column;gap:10px}
.saex-exam-card:hover{box-shadow:0 8px 24px rgba(29,78,216,.1);transform:translateY(-2px)}
.saex-exam-card.saex-exam-done{opacity:.75;border-style:dashed}
.saex-exam-card-top{display:flex;align-items:center;justify-content:space-between}
.saex-exam-badge{background:#EFF6FF;color:#1D4ED8;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:700}
.saex-done-badge{background:#DCFCE7;color:#16A34A;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:700}
.saex-exam-title{font-family:Cairo,sans-serif;font-size:.96rem;font-weight:800;color:#1e293b;margin:0}
.saex-exam-desc{font-size:.83rem;color:#64748b;line-height:1.5;margin:0}
.saex-exam-meta{display:flex;gap:10px;flex-wrap:wrap}
.saex-exam-meta span{font-size:.76rem;color:#64748b;display:flex;align-items:center;gap:4px}
.saex-exam-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px solid #f1f5f9}
.saex-teacher-info{display:flex;align-items:center;gap:7px;font-size:.78rem;color:#64748b}
.saex-teacher-av{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#1D4ED8,#10B981);color:white;font-size:.75rem;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.saex-start-btn{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;background:#1D4ED8;color:white;border:none;border-radius:8px;font-size:.82rem;font-weight:700;cursor:pointer;font-family:var(--saex-font);text-decoration:none;transition:all .2s;-webkit-tap-highlight-color:transparent}
.saex-start-btn:hover{background:#1e40af;color:white}
.saex-start-btn--login{background:#10B981}
.saex-start-btn--done{background:#94a3b8;cursor:not-allowed}

/* Verify */
.saex-verify-row{display:flex;gap:10px;flex-wrap:wrap}
.saex-verify-row .saex-inp{flex:1;min-width:180px}
.saex-verify-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;background:#F59E0B;color:white;border:none;border-radius:8px;font-size:.86rem;font-weight:700;cursor:pointer;font-family:var(--saex-font)}
.saex-cert-verified{background:#F0FDF4;border:1px solid #BBF7D0;border-radius:10px;padding:16px;text-align:center}
.saex-cert-verified h3{font-family:Cairo,sans-serif;color:#16A34A;margin:8px 0}
.saex-cert-invalid{background:#FEF2F2;border:1px solid #FECACA;border-radius:10px;padding:16px;text-align:center;color:#DC2626}

/* Take Exam */
.saex-take-page{max-width:780px}
.saex-start-screen{display:flex;justify-content:center;padding:20px 0}
.saex-start-card{background:white;border-radius:18px;border:1px solid #e2e8f0;padding:32px;max-width:520px;width:100%;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.08)}
.saex-start-icon{font-size:3rem;margin-bottom:16px;color:#1D4ED8}
.saex-start-title{font-family:Cairo,sans-serif;font-size:1.4rem;font-weight:900;color:#1e293b;margin:0 0 8px}
.saex-start-desc{font-size:.9rem;color:#64748b;line-height:1.6;margin-bottom:16px}
.saex-start-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0;text-align:right}
.saex-info-item{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#f8fafc;border-radius:8px;font-size:.84rem;color:#374151;font-weight:600}
.saex-info-item i{color:#1D4ED8;width:16px;text-align:center}
.saex-anti-cheat-notice{background:#FEF3C7;border:1px solid #FDE68A;border-radius:8px;padding:10px 14px;font-size:.82rem;color:#92400E;margin:12px 0;text-align:right}
.saex-start-exam-btn{display:inline-flex;align-items:center;gap:8px;padding:13px 32px;background:linear-gradient(135deg,#1D4ED8,#3B82F6);color:white;border:none;border-radius:12px;font-size:1rem;font-weight:800;cursor:pointer;font-family:var(--saex-font);margin-top:8px;transition:all .2s;box-shadow:0 4px 14px rgba(29,78,216,.35)}
.saex-start-exam-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(29,78,216,.45)}

/* Fixed Header */
.saex-exam-header-fixed{position:sticky;top:0;z-index:100;background:white;border-bottom:1px solid #e2e8f0;padding:10px 16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.saex-exam-hdr-title{font-family:Cairo,sans-serif;font-weight:800;font-size:.9rem;color:#1e293b;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.saex-exam-progress-wrap{display:flex;align-items:center;gap:8px;min-width:160px}
.saex-progress-bar{flex:1;height:8px;background:#e2e8f0;border-radius:20px;overflow:hidden}
.saex-progress-fill{height:100%;border-radius:20px;background:#10B981;transition:width .4s,background .4s}
.saex-progress-text{font-size:.78rem;font-weight:700;color:#64748b;white-space:nowrap}
.saex-timer{display:flex;align-items:center;gap:6px;background:#EFF6FF;color:#1D4ED8;padding:6px 12px;border-radius:8px;font-size:.9rem;font-weight:800;font-family:Cairo,sans-serif}
.saex-timer.warning{background:#FEE2E2;color:#DC2626;animation:saexPulse 1s infinite}
@keyframes saexPulse{50%{opacity:.6}}

/* Questions */
.saex-questions-container{padding:16px;display:flex;flex-direction:column;gap:16px}
.saex-q-card{background:white;border-radius:12px;border:1.5px solid #e2e8f0;padding:18px;transition:border-color .2s}
.saex-q-card.answered{border-color:#10B981}
.saex-q-hdr{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.saex-q-num{font-weight:800;color:#1D4ED8;font-family:Cairo,sans-serif}
.saex-q-type{background:#f1f5f9;color:#64748b;padding:2px 8px;border-radius:8px;font-size:.74rem;font-weight:700}
.saex-q-marks{background:#FEF3C7;color:#D97706;padding:2px 8px;border-radius:8px;font-size:.74rem;font-weight:700;margin-right:auto}
.saex-q-text{font-size:.95rem;line-height:1.7;color:#1e293b;margin-bottom:14px;font-weight:600}
.saex-q-img{max-width:100%;max-height:240px;border-radius:10px;border:1px solid #e2e8f0;margin-bottom:12px;display:block}
.saex-q-audio{width:100%;margin-bottom:12px}
/* Options */
.saex-opt-row{display:flex;align-items:center;gap:10px;padding:10px 14px;border:2px solid #e2e8f0;border-radius:10px;margin-bottom:8px;cursor:pointer;transition:all .18s;-webkit-tap-highlight-color:transparent}
.saex-opt-row:hover{border-color:#3B82F6;background:#F8FAFF}
.saex-opt-row.is-checked{border-color:#10B981;background:#F0FDF4}
.saex-opt-row.excluded{opacity:.35;text-decoration:line-through}
.saex-opt-letter{width:30px;height:30px;border-radius:50%;background:#e2e8f0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;flex-shrink:0;transition:all .18s;font-family:Cairo,sans-serif}
.saex-opt-letter.is-checked{background:#10B981;color:white}
.saex-opt-img{max-height:80px;border-radius:6px;margin-right:6px}
/* TF */
.saex-tf-opts{display:flex;gap:12px;margin-bottom:8px}
.saex-tf-opt{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px;border:2px solid #e2e8f0;border-radius:12px;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent}
.saex-tf-opt.is-checked{border-color:#10B981;background:#F0FDF4}
.saex-tf-icon{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:900}
.saex-tf-true{background:#DCFCE7;color:#16A34A}
.saex-tf-false{background:#FEE2E2;color:#DC2626}
/* Exclude */
.saex-exclude-btn{background:none;border:none;color:#94a3b8;font-size:.76rem;cursor:pointer;padding:4px 8px;border-radius:6px;font-family:var(--saex-font);margin-top:6px;transition:color .2s}
.saex-exclude-btn:hover{color:#1D4ED8;background:#EFF6FF}

/* Submit bar */
.saex-submit-bar{position:sticky;bottom:0;background:white;border-top:1px solid #e2e8f0;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -2px 8px rgba(0,0,0,.06);flex-wrap:wrap}
.saex-answered-info{font-size:.88rem;color:#64748b;font-weight:600}
.saex-answered-info span{color:#1D4ED8;font-weight:800;font-size:1rem}
.saex-submit-exam-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;background:#10B981;color:white;border:none;border-radius:10px;font-size:.9rem;font-weight:800;cursor:pointer;font-family:var(--saex-font);transition:all .2s;-webkit-tap-highlight-color:transparent}
.saex-submit-exam-btn:disabled{opacity:.6;cursor:not-allowed}
.saex-submit-exam-btn:hover:not(:disabled){background:#059669}

/* Result */
.saex-result-card{max-width:680px;margin:0 auto}
.saex-result-hero{border-radius:16px;padding:32px;color:white;text-align:center;margin-bottom:20px}
.saex-score-big{font-size:4rem;font-weight:900;font-family:Cairo,sans-serif;margin:8px 0}
.saex-result-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:20px}
.saex-res-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:10px;font-size:.88rem;font-weight:700;text-decoration:none;cursor:pointer;border:none;font-family:var(--saex-font);transition:all .2s}
.saex-res-cert{background:#F59E0B;color:white}.saex-res-cert:hover{background:#D97706;color:white}
.saex-res-back{background:#1D4ED8;color:white}.saex-res-back:hover{background:#1e40af;color:white}
.saex-result-analysis{background:white;border-radius:12px;border:1px solid #e2e8f0;padding:20px}
.saex-result-analysis h3{font-family:Cairo,sans-serif;font-size:1rem;font-weight:800;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.saex-analysis-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.saex-analysis-item{padding:14px;border-radius:10px;text-align:center;font-size:.84rem;font-weight:700}
.saex-analysis-correct{background:#F0FDF4;color:#16A34A}
.saex-analysis-wrong{background:#FEF2F2;color:#DC2626}
.saex-analysis-num{font-size:2rem;font-weight:900;font-family:Cairo,sans-serif;display:block}
.saex-details-list{display:flex;flex-direction:column;gap:8px;max-height:400px;overflow-y:auto}
.saex-detail-item{display:flex;gap:10px;padding:10px;border-radius:8px;border:1px solid}
.saex-detail-item.correct{border-color:#BBF7D0;background:#F0FDF4}
.saex-detail-item.wrong  {border-color:#FECACA;background:#FEF2F2}
.saex-detail-num{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;flex-shrink:0;font-family:Cairo,sans-serif;background:#e2e8f0}
.saex-detail-content{flex:1;font-size:.83rem}
.saex-detail-q{font-weight:700;color:#1e293b;margin:0 0 4px}
.saex-detail-ans{color:#64748b;margin:0 0 2px}
.saex-detail-correct{color:#16A34A;margin:0 0 2px;font-weight:600}
.saex-detail-explain{color:#F59E0B;margin:0;font-style:italic}
.saex-detail-mark.correct{color:#10B981;font-weight:800}
.saex-detail-mark.wrong  {color:#EF4444;font-weight:800}

/* Loading/Empty */
.saex-loading{text-align:center;padding:40px;color:#94a3b8}
.saex-loading p{margin-top:10px;font-size:.88rem}
.saex-empty{text-align:center;padding:40px 20px;color:#94a3b8;background:white;border-radius:12px;border:2px dashed #e2e8f0}
.saex-empty i{font-size:2rem;margin-bottom:10px;display:block}
.saex-inp{width:100%;padding:9px 12px;border:1.5px solid #e2e8f0;border-radius:8px;font-family:var(--saex-font);font-size:.88rem;outline:none;transition:border-color .2s;box-sizing:border-box}
.saex-inp:focus{border-color:#3B82F6}

/* Mobile */
@media(max-width:580px){
    .saex-start-info-grid{grid-template-columns:1fr}
    .saex-tf-opts{flex-direction:column}
    .saex-exam-progress-wrap{min-width:100px}
    .saex-exams-grid{grid-template-columns:1fr}
    .saex-subjects-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}
}