/* ===== ELC 2026 Academic Test - Complete Stylesheet ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0a14;--bg-card:#12121f;--bg-hover:#1a1a2e;--bg-input:#16162a;--border:#2a2a4a;--border-l:#3a3a5a;--text:#e8e8f0;--text-dim:#8888aa;--text-muted:#5a5a7a;--accent:#e63946;--accent-glow:rgba(230,57,70,.3);--orange:#f77f00;--yellow:#fcbf49;--green:#2ecc71;--blue:#3b82f6;--purple:#8b5cf6;--red:#e63946;--green-d:rgba(46,204,113,.15);--blue-d:rgba(59,130,246,.15);--red-d:rgba(230,57,70,.15);--yellow-d:rgba(245,158,11,.15);--purple-d:rgba(139,92,246,.15);--r:12px;--rs:8px;--rx:6px;--shadow:0 4px 24px rgba(0,0,0,.4);--font:'Outfit',sans-serif;--mono:'JetBrains Mono',monospace;--tr:.25s cubic-bezier(.4,0,.2,1)}
html{font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.hidden{display:none!important}
.mono{font-family:var(--mono)}.text-white{color:var(--text)!important}.text-accent{color:var(--accent)!important}.text-green{color:var(--green)!important}.text-red{color:var(--red)!important}.text-yellow{color:var(--yellow)!important}.text-blue{color:var(--blue)!important}.text-dim{color:var(--text-dim)!important}.fw700{font-weight:700!important}

/* Toast */
.toast{position:fixed;top:1rem;right:1rem;padding:.75rem 1.2rem;border-radius:var(--rs);font-size:.85rem;font-weight:500;z-index:9999;transform:translateX(120%);transition:var(--tr);max-width:360px}
.toast.show{transform:translateX(0)}.toast-success{background:var(--green-d);color:var(--green);border:1px solid rgba(46,204,113,.3)}.toast-error{background:var(--red-d);color:var(--red);border:1px solid rgba(230,57,70,.3)}.toast-info{background:var(--blue-d);color:var(--blue);border:1px solid rgba(59,130,246,.3)}
.loading,.error-state{display:flex;align-items:center;justify-content:center;padding:4rem;color:var(--text-dim);font-size:1rem}.error-state{color:var(--red)}
.empty-text{color:var(--text-dim);text-align:center;padding:2rem}

/* ===== LOGIN ===== */
.login-bg{position:fixed;inset:0;background:radial-gradient(ellipse at 20% 50%,rgba(230,57,70,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(247,127,0,.06) 0%,transparent 50%),var(--bg);z-index:0}
.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:60px 60px}
.login-container{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem}
.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:3rem;width:100%;max-width:440px;box-shadow:var(--shadow);animation:cardIn .6s ease-out}
@keyframes cardIn{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
.login-header{text-align:center;margin-bottom:2rem}
.logo-badge{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--accent),var(--orange));padding:.5rem 1.2rem;border-radius:50px;margin-bottom:1rem}
.logo-icon{font-size:1.4rem}.logo-year{font-weight:700;font-size:.9rem;letter-spacing:2px}
.login-title{font-size:2rem;font-weight:900;letter-spacing:3px;line-height:1.2;background:linear-gradient(135deg,var(--text),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.login-subtitle{color:var(--text-dim);margin-top:.5rem;font-size:.95rem}
.theme-tag{margin-top:1rem;padding:.5rem 1rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rs);font-size:.7rem;color:var(--text-dim);font-style:italic;line-height:1.4}
.login-form{display:flex;flex-direction:column;gap:1.2rem}
.input-group label{display:block;font-size:.8rem;font-weight:600;color:var(--text-dim);margin-bottom:.4rem;text-transform:uppercase;letter-spacing:1px}
.input-wrapper{position:relative;display:flex;align-items:center}
.input-icon{position:absolute;left:14px;width:18px;height:18px;color:var(--text-muted);pointer-events:none}
.input-wrapper input{width:100%;padding:.85rem 1rem .85rem 2.8rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rs);color:var(--text);font-family:var(--font);font-size:.95rem;transition:var(--tr);outline:none}
.input-wrapper input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.input-wrapper input::placeholder{color:var(--text-muted)}
.login-error{padding:.75rem 1rem;background:var(--red-d);border:1px solid rgba(230,57,70,.3);border-radius:var(--rx);color:var(--red);font-size:.85rem;text-align:center}
.btn-login{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.9rem 2rem;background:linear-gradient(135deg,var(--accent),#c62828);color:#fff;border:none;border-radius:var(--rs);font-family:var(--font);font-size:1rem;font-weight:700;cursor:pointer;transition:var(--tr);text-transform:uppercase;letter-spacing:1px;margin-top:.5rem}
.btn-login svg{width:18px;height:18px}.btn-login:hover{transform:translateY(-2px);box-shadow:0 6px 24px var(--accent-glow)}
.login-footer{margin-top:2rem;text-align:center;font-size:.75rem;color:var(--text-muted)}

/* ===== TOPBAR ===== */
.topbar,.exam-topbar{display:flex;align-items:center;justify-content:space-between;padding:.8rem 1.5rem;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.topbar-left,.exam-topbar-left{display:flex;align-items:center;gap:.75rem}
.topbar-right,.exam-topbar-right{display:flex;align-items:center;gap:1rem}
.nav-logo{font-weight:800;font-size:1rem;letter-spacing:1px}.nav-divider{color:var(--border-l)}.nav-label{color:var(--text-dim);font-size:.85rem}
.user-badge{padding:.3rem .8rem;background:var(--bg-input);border:1px solid var(--border);border-radius:50px;font-size:.8rem;font-weight:500;color:var(--text-dim)}
.btn-logout{padding:.4rem 1rem;background:transparent;border:1px solid var(--border);border-radius:var(--rx);color:var(--text-dim);font-family:var(--font);font-size:.8rem;cursor:pointer;transition:var(--tr)}.btn-logout:hover{border-color:var(--red);color:var(--red)}

/* ===== ADMIN LAYOUT ===== */
.admin-layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 56px)}
.admin-sidebar{background:var(--bg-card);border-right:1px solid var(--border);padding:1.25rem;position:sticky;top:56px;height:calc(100vh - 56px);overflow-y:auto}
.sidebar-brand{font-weight:800;font-size:1.05rem;margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}
.sidebar-nav{display:flex;flex-direction:column;gap:.25rem}
.sidebar-link{display:flex;align-items:center;gap:.5rem;padding:.65rem .85rem;background:transparent;border:none;border-radius:var(--rs);color:var(--text-dim);font-family:var(--font);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--tr);text-align:left;width:100%}.sidebar-link:hover{background:var(--bg-hover);color:var(--text)}.sidebar-link.active{background:var(--red-d);color:var(--accent);font-weight:600}
.admin-main{padding:1.5rem 2rem;overflow-y:auto;max-height:calc(100vh - 56px)}

/* Page Header */
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:.75rem}
.page-header h2{font-size:1.4rem;font-weight:700}.page-header p{color:var(--text-dim);font-size:.85rem;margin-top:.2rem}
.header-actions{display:flex;gap:.5rem;flex-wrap:wrap}

/* Stats Grid */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem;margin-bottom:1.5rem}
.stat-card{display:flex;gap:1rem;align-items:center;padding:1.1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);transition:var(--tr)}.stat-card:hover{border-color:var(--border-l)}
.stat-icon{width:48px;height:48px;border-radius:var(--rs);display:flex;align-items:center;justify-content:center;font-size:1.4rem}
.stat-icon.blue{background:var(--blue-d)}.stat-icon.green{background:var(--green-d)}.stat-icon.orange{background:var(--yellow-d)}.stat-icon.red{background:var(--red-d)}.stat-icon.purple{background:var(--purple-d)}
.stat-info{display:flex;flex-direction:column}.stat-num{font-size:1.5rem;font-weight:800;font-family:var(--mono)}.stat-label{font-size:.75rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px}

.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.dash-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem}
.dash-card h3{font-size:1rem;font-weight:600;margin-bottom:1rem}

/* Category Bars */
.cat-bars{display:flex;flex-direction:column;gap:.6rem}
.cat-bar-row{display:flex;align-items:center;gap:.5rem}.cat-bar-label{font-size:.8rem;min-width:140px;color:var(--text-dim)}.cat-bar-track{flex:1;height:8px;background:var(--bg-input);border-radius:4px;overflow:hidden}.cat-bar-fill{height:100%;border-radius:4px;transition:width .6s ease}.cat-bar-val{font-size:.8rem;font-weight:600;font-family:var(--mono);min-width:28px;text-align:right}

/* Tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.85rem}
th,td{padding:.65rem .8rem;text-align:left;border-bottom:1px solid var(--border)}
th{background:var(--bg-input);font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);position:sticky;top:0}
td{color:var(--text-dim)}tr:hover td{background:var(--bg-hover)}
.mini-table th,.mini-table td{padding:.4rem .5rem;font-size:.8rem}
.actions-cell{display:flex;gap:.35rem}

/* Badges */
.badge{padding:.15rem .5rem;border-radius:4px;font-size:.7rem;font-weight:600}
.badge-green{background:var(--green-d);color:var(--green)}.badge-red{background:var(--red-d);color:var(--red)}.badge-yellow{background:var(--yellow-d);color:var(--yellow)}.badge-completed{background:var(--green-d);color:var(--green)}.badge-timeout{background:var(--yellow-d);color:var(--yellow)}.badge-disqualified{background:var(--red-d);color:var(--red)}
.badge-easy{background:var(--green-d);color:var(--green)}.badge-medium{background:var(--yellow-d);color:var(--yellow)}.badge-hard{background:var(--red-d);color:var(--red)}

/* Buttons */
.btn-primary{padding:.55rem 1.2rem;background:var(--accent);color:#fff;border:none;border-radius:var(--rx);font-family:var(--font);font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--tr)}.btn-primary:hover{background:#c62828}
.btn-secondary{padding:.55rem 1.2rem;background:var(--bg-input);color:var(--text-dim);border:1px solid var(--border);border-radius:var(--rx);font-family:var(--font);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--tr)}.btn-secondary:hover{border-color:var(--border-l)}
.btn-green{padding:.5rem 1rem;background:var(--green-d);color:var(--green);border:1px solid rgba(46,204,113,.3);border-radius:var(--rx);font-family:var(--font);font-size:.8rem;font-weight:600;cursor:pointer}
.btn-blue{padding:.5rem 1rem;background:var(--blue-d);color:var(--blue);border:1px solid rgba(59,130,246,.3);border-radius:var(--rx);font-family:var(--font);font-size:.8rem;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:.3rem}
.btn-sm{padding:.25rem .6rem;border-radius:4px;font-size:.75rem;font-weight:600;cursor:pointer;border:none;font-family:var(--font)}
.btn-sm.btn-blue{background:var(--blue-d);color:var(--blue)}.btn-sm.btn-red{background:var(--red-d);color:var(--red)}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:500;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:2rem;max-width:520px;width:90%;max-height:90vh;overflow-y:auto;animation:modalIn .3s ease}
.modal-lg{max-width:680px}
@keyframes modalIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.modal-card h3{font-size:1.2rem;margin-bottom:1.25rem}
.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem}
.modal-stats{display:flex;justify-content:center;gap:2rem;margin:1rem 0}
.modal-stat{text-align:center}.modal-stat-num{display:block;font-size:2rem;font-weight:800;font-family:var(--mono)}.modal-stat-num.warn{color:var(--red)}.modal-stat-num.flag{color:var(--yellow)}.modal-stat-label{font-size:.75rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.form-stack{display:flex;flex-direction:column;gap:.75rem}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.fg{display:flex;flex-direction:column;gap:.35rem}
.fg label{font-size:.8rem;font-weight:600;color:var(--text-dim)}
.fg input,.fg textarea,.fg select{padding:.6rem .8rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rx);color:var(--text);font-family:var(--font);font-size:.85rem;outline:none;transition:var(--tr)}
.fg input:focus,.fg textarea:focus,.fg select:focus{border-color:var(--accent)}
.fg textarea{resize:vertical}
.settings-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:1.5rem;max-width:600px}

/* Questions Admin */
.questions-list{display:flex;flex-direction:column;gap:.75rem}
.q-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r);padding:1rem;transition:var(--tr)}.q-card:hover{border-color:var(--border-l)}
.q-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem;flex-wrap:wrap;gap:.5rem}
.q-meta{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.q-num{font-weight:700;font-size:.85rem;color:var(--accent)}
.q-cat-badge{padding:.15rem .6rem;border-radius:50px;font-size:.7rem;font-weight:500;border:1px solid}
.q-diff{padding:.1rem .4rem;border-radius:3px;font-size:.65rem;font-weight:600;text-transform:uppercase}
.q-actions{display:flex;gap:.35rem}
.q-text{font-size:.9rem;line-height:1.5;margin-bottom:.5rem}
.q-opts-preview{display:grid;grid-template-columns:1fr 1fr;gap:.25rem;font-size:.8rem;color:var(--text-dim)}
.q-opts-preview span{padding:.2rem .4rem;border-radius:3px}.q-opts-preview .correct{background:var(--green-d);color:var(--green);font-weight:600}
.pagination{display:flex;gap:.35rem;justify-content:center;margin-top:1.5rem}
.page-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--rx);background:var(--bg-input);color:var(--text-dim);font-family:var(--mono);font-size:.8rem;cursor:pointer;transition:var(--tr)}.page-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.page-btn:hover{border-color:var(--border-l)}

/* ===== STUDENT ===== */
.student-content{max-width:800px;margin:0 auto;padding:2rem 1.5rem;display:flex;flex-direction:column;gap:1.5rem;animation:fadeUp .5s ease-out}
@keyframes fadeUp{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}
.welcome-card{text-align:center;padding:2rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r)}
.welcome-icon{font-size:3rem;margin-bottom:.75rem}.welcome-card h2{font-size:1.4rem;font-weight:700}.welcome-desc{color:var(--text-dim);margin-top:.5rem;font-size:.9rem}
.rules-card{padding:1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r)}.rules-card h3{font-size:1.1rem;font-weight:700;margin-bottom:1rem}
.rules-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.75rem}
.rule-item{display:flex;gap:.75rem;align-items:flex-start;padding:.8rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rs);transition:var(--tr)}.rule-item:hover{border-color:var(--border-l)}
.rule-icon{font-size:1.5rem;flex-shrink:0}.rule-text{display:flex;flex-direction:column;gap:.15rem}.rule-text strong{font-size:.85rem;font-weight:600}.rule-text span{font-size:.75rem;color:var(--text-dim);line-height:1.4}
.start-section{text-align:center;padding:1rem 0}
.start-warning{display:inline-flex;align-items:center;gap:.6rem;padding:.75rem 1.2rem;background:var(--yellow-d);border:1px solid rgba(245,158,11,.3);border-radius:var(--rs);margin-bottom:1.5rem;font-size:.8rem;color:var(--yellow)}
.btn-start{display:inline-flex;align-items:center;gap:.75rem;padding:1rem 3rem;background:linear-gradient(135deg,var(--accent),var(--orange));color:#fff;border:none;border-radius:var(--r);font-family:var(--font);font-size:1.2rem;font-weight:800;cursor:pointer;transition:var(--tr);text-transform:uppercase;letter-spacing:2px;box-shadow:0 4px 20px var(--accent-glow)}.btn-start:hover{transform:translateY(-3px);box-shadow:0 8px 32px var(--accent-glow)}

/* ===== EXAM ===== */
.exam-topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.exam-topbar-right{justify-self:end}
.exam-timer{display:flex;align-items:center;gap:.5rem;padding:.5rem 1.2rem;background:var(--bg-input);border:1px solid var(--border);border-radius:50px;font-family:var(--mono);font-size:1.1rem;font-weight:600;letter-spacing:1px}
.exam-timer svg{width:18px;height:18px;color:var(--accent)}
.exam-timer.warning{border-color:var(--yellow);color:var(--yellow)}.exam-timer.warning svg{color:var(--yellow)}
.exam-timer.critical{border-color:var(--red);color:var(--red);animation:pulse 1s ease-in-out infinite}.exam-timer.critical svg{color:var(--red)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}
.exam-progress{font-family:var(--mono);font-size:.85rem;color:var(--text-dim);font-weight:500}
.btn-submit-top{padding:.45rem 1rem;background:var(--accent);color:#fff;border:none;border-radius:var(--rx);font-family:var(--font);font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--tr)}.btn-submit-top:hover{background:#c62828}
.tab-warning{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:1000;display:flex;align-items:center;justify-content:center}
.tab-warning-content{background:var(--bg-card);border:2px solid var(--red);border-radius:var(--r);padding:2.5rem;text-align:center;max-width:420px;box-shadow:0 0 60px rgba(230,57,70,.3)}
.warning-pulse{font-size:3rem;animation:pulse .5s ease-in-out infinite}
.tab-warning-content h3{color:var(--red);margin:.75rem 0 .5rem;font-size:1.2rem;letter-spacing:2px}
.tab-warning-content p{color:var(--text-dim);font-size:.9rem;line-height:1.5}
.violation-count{color:var(--red);font-weight:700;font-family:var(--mono);margin-top:.5rem}
.tab-warning-content button{margin-top:1.5rem;padding:.7rem 2rem;background:var(--accent);color:#fff;border:none;border-radius:var(--rs);font-family:var(--font);font-size:.9rem;font-weight:600;cursor:pointer}
.exam-body{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 56px)}
.exam-sidebar{background:var(--bg-card);border-right:1px solid var(--border);padding:1rem;display:flex;flex-direction:column;overflow-y:auto;position:sticky;top:56px;height:calc(100vh - 56px)}
.sidebar-header h4{font-size:.85rem;font-weight:700;margin-bottom:.5rem}
.question-nav{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;flex:1;align-content:start;margin:.5rem 0}
.q-nav-btn{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--rx);background:var(--bg-input);color:var(--text-dim);font-family:var(--mono);font-size:.75rem;font-weight:500;cursor:pointer;transition:var(--tr)}
.q-nav-btn:hover{border-color:var(--border-l)}.q-nav-btn.active{border-color:var(--accent);color:var(--accent);background:var(--red-d)}.q-nav-btn.answered{border-color:var(--green);background:var(--green-d);color:var(--green)}.q-nav-btn.flagged{border-color:var(--yellow);background:var(--yellow-d);color:var(--yellow)}.q-nav-btn.answered.flagged{border-color:var(--yellow);background:linear-gradient(135deg,var(--green-d),var(--yellow-d));color:var(--yellow)}
.sidebar-stats{border-top:1px solid var(--border);padding-top:.75rem;display:flex;flex-direction:column;gap:.4rem}
.stat-row{display:flex;justify-content:space-between;font-size:.8rem;color:var(--text-dim)}.stat-val{font-family:var(--mono);font-weight:600;color:var(--text)}.stat-val.flagged{color:var(--yellow)}
.exam-main{padding:1.5rem 2rem;display:flex;flex-direction:column;max-width:900px}
.question-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}
.question-number{background:linear-gradient(135deg,var(--accent),var(--orange));color:#fff;padding:.3rem .8rem;border-radius:var(--rx);font-weight:700;font-size:.85rem;font-family:var(--mono)}
.question-category{padding:.25rem .6rem;border-radius:50px;font-size:.7rem;font-weight:500}
.question-text{font-size:1.05rem;line-height:1.7;margin-bottom:1.5rem}
.options-list{display:flex;flex-direction:column;gap:.6rem}
.option-item{display:flex;align-items:center;gap:.75rem;padding:.85rem 1.1rem;background:var(--bg-input);border:1.5px solid var(--border);border-radius:var(--rs);cursor:pointer;transition:var(--tr);user-select:none}.option-item:hover{border-color:var(--border-l);background:var(--bg-hover)}.option-item.selected{border-color:var(--accent);background:var(--red-d)}
.option-letter{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1.5px solid var(--border);border-radius:8px;font-weight:700;font-size:.85rem;color:var(--text-dim);transition:var(--tr);flex-shrink:0}
.option-item.selected .option-letter{border-color:var(--accent);background:var(--accent);color:#fff}
.option-text{font-size:.95rem;line-height:1.5}
.exam-footer-nav{display:flex;justify-content:space-between;align-items:center;margin-top:2rem;padding-top:1rem;border-top:1px solid var(--border)}
.btn-nav{display:flex;align-items:center;gap:.4rem;padding:.6rem 1.2rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rs);color:var(--text-dim);font-family:var(--font);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--tr)}.btn-nav:hover{border-color:var(--border-l);color:var(--text)}.btn-nav:disabled{opacity:.3;cursor:not-allowed}
.btn-nav-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-nav-primary:hover{background:#c62828}
.btn-flag{display:flex;align-items:center;gap:.4rem;padding:.6rem 1rem;background:transparent;border:1px solid var(--border);border-radius:var(--rs);color:var(--text-dim);font-family:var(--font);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--tr)}.btn-flag:hover{border-color:var(--yellow);color:var(--yellow)}.btn-flag.flagged{border-color:var(--yellow);color:var(--yellow);background:var(--yellow-d)}

/* ===== RESULT ===== */
.result-content{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 56px);padding:2rem}
.result-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:2.5rem;max-width:520px;width:100%;text-align:center;animation:cardIn .6s ease-out}
.result-emoji{font-size:3.5rem;margin-bottom:.5rem}
.result-score-ring{position:relative;width:200px;height:200px;margin:1rem auto 1.5rem}
.result-score-ring svg{width:100%;height:100%}
.score-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column}
.score-num{font-size:3rem;font-weight:900;font-family:var(--mono);background:linear-gradient(135deg,var(--accent),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.score-max{font-size:1rem;color:var(--text-muted);font-weight:500}
.result-details{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:1.5rem}
.result-detail-item{display:flex;justify-content:space-between;padding:.6rem .8rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--rx)}
.detail-label{font-size:.8rem;color:var(--text-dim)}.detail-val{font-family:var(--mono);font-weight:600;font-size:.85rem}
.detail-val.correct{color:var(--green)}.detail-val.wrong{color:var(--red)}.detail-val.empty{color:var(--text-muted)}.detail-val.time{color:var(--blue)}.detail-val.violations{color:var(--yellow)}
.result-actions{display:flex;gap:.75rem;justify-content:center}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
    .login-card{padding:2rem 1.5rem}.login-title{font-size:1.5rem}
    .admin-layout{grid-template-columns:1fr}.admin-sidebar{display:none}
    .exam-body{grid-template-columns:1fr}.exam-sidebar{position:fixed;bottom:0;left:0;right:0;height:auto;max-height:40vh;border-right:none;border-top:1px solid var(--border);z-index:50;transform:translateY(calc(100% - 48px));transition:var(--tr)}.exam-sidebar.expanded{transform:translateY(0)}.sidebar-header{cursor:pointer}
    .exam-main{padding:1rem;padding-bottom:60px}
    .exam-topbar{grid-template-columns:auto 1fr auto;gap:.5rem;padding:.5rem .75rem}
    .result-details{grid-template-columns:1fr}.result-card{padding:1.5rem}
    .form-grid,.form-row-2{grid-template-columns:1fr}.dashboard-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
}