/* ============================================================
   BASE.CSS — Hệ thống giao diện chung "Quản lý Mâm xe"
   Theme: Dark Navy • Lexend + JetBrains Mono
   Mọi trang đều nhúng file này TRƯỚC file css riêng của trang.
============================================================ */
:root {
  --bg-base:    #070b14;
  --bg-surface: #0f1623;
  --bg-card:    #141c2e;
  --bg-hover:   #1a2540;
  --border:     #1e2d4a;
  --border-light:#253450;
  --accent:     #3b82f6;
  --accent-dim: #1d4ed8;
  --accent-glow:rgba(59,130,246,.15);
  --amber:      #f59e0b;
  --green:      #10b981;
  --red:        #ef4444;
  --purple:     #8b5cf6;
  --cyan:       #06b6d4;
  --text-1:     #f0f4ff;
  --text-2:     #8ba3c7;
  --text-3:     #4a6080;
  --radius:     10px;
  --radius-sm:  6px;
  --shadow:     0 4px 24px rgba(0,0,0,.4);
  --shadow-sm:  0 2px 8px rgba(0,0,0,.3);
  --font-body:  'Lexend', sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
}
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { height:100%; scroll-behavior:smooth; }
body { font-family:var(--font-body); background:var(--bg-base); color:var(--text-1); min-height:100%; overflow-x:hidden; }
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--bg-surface); }
::-webkit-scrollbar-thumb { background:var(--border-light); border-radius:3px; }
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
}

/* ====== AUTH (màn hình đăng nhập chung) ====== */
#auth {
  position:fixed; inset:0; z-index:100;
  display:flex; align-items:center; justify-content:center;
  background:radial-gradient(ellipse at 30% 40%, #0d1f3c 0%, #070b14 60%);
  overflow:hidden; padding:16px;
}
#auth::before {
  content:''; position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(0deg,transparent,transparent 40px,rgba(59,130,246,.03) 40px,rgba(59,130,246,.03) 41px),
    repeating-linear-gradient(90deg,transparent,transparent 40px,rgba(59,130,246,.03) 40px,rgba(59,130,246,.03) 41px);
}
.auth-card {
  position:relative; z-index:1; width:100%; max-width:420px;
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:16px; padding:40px;
  box-shadow:0 0 80px rgba(59,130,246,.08), var(--shadow);
  animation:authIn .5s cubic-bezier(.2,.8,.3,1) both;
}
@keyframes authIn { from{opacity:0;transform:translateY(20px) scale(.97)} to{opacity:1;transform:translateY(0) scale(1)} }
.auth-logo { width:48px;height:48px;margin:0 auto 16px;background:linear-gradient(135deg,var(--accent),var(--purple));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px; }
.auth-title { text-align:center;font-size:1.4rem;font-weight:700;margin-bottom:4px; }
.auth-sub   { text-align:center;color:var(--text-2);font-size:.85rem;margin-bottom:28px; }
.field-group { margin-bottom:16px; }
.field-group label { display:block;font-size:.8rem;font-weight:500;color:var(--text-2);margin-bottom:6px; }
.pass-field-wrap { position:relative; }
.pass-field-wrap .field-input { padding-right:42px; }
.pass-eye-btn {
  position:absolute; right:10px; top:50%; transform:translateY(-50%);
  background:none; border:none; cursor:pointer; color:var(--text-3);
  font-size:15px; padding:2px 4px; border-radius:4px; line-height:1;
  transition:color .15s, opacity .2s; opacity:0; pointer-events:none;
}
.pass-eye-btn.show { opacity:1; pointer-events:all; }
.pass-eye-btn:hover { color:var(--text-1); }
.login-err-hint { font-size:.75rem; color:var(--red); margin-top:5px; display:none; }
.login-err  { color:var(--red);font-size:.78rem;margin-top:10px;text-align:center;display:none; }
.login-lock { color:var(--amber);font-size:.78rem;margin-top:8px;text-align:center;display:none; }
.field-input {
  width:100%; padding:10px 14px;
  background:var(--bg-surface); border:1px solid var(--border);
  border-radius:var(--radius-sm); color:var(--text-1);
  font-family:var(--font-body); font-size:.9rem; outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.field-input::placeholder { color:var(--text-3); }
.field-input:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-glow); }
select.field-input option, select.form-input option, .filter-bar select option { background:var(--bg-card); color:var(--text-1); }
.btn-primary {
  width:100%; padding:11px; background:var(--accent); color:#fff;
  font-family:var(--font-body); font-weight:600; font-size:.9rem;
  border:none; border-radius:var(--radius-sm); cursor:pointer;
  transition:background .2s,transform .1s; margin-top:8px;
}
.btn-primary:hover  { background:var(--accent-dim); }
.btn-primary:active { transform:scale(.98); }
.btn-primary:disabled { opacity:.6; cursor:not-allowed; }

/* ====== TOPBAR ====== */
#appSection, #app { display:none; min-height:100vh; }
.topbar {
  position:sticky; top:0; z-index:50;
  background:rgba(7,11,20,.85); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border); padding:0 28px; height:60px;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.topbar-left { display:flex; align-items:center; gap:12px; }
.topbar-logo { width:34px;height:34px;background:linear-gradient(135deg,var(--accent),var(--purple));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0; }
.topbar-title { font-size:1rem;font-weight:600; }
.topbar-subtitle { font-size:.75rem;color:var(--text-2); }
.topbar-right { display:flex;align-items:center;gap:8px;flex-wrap:wrap; }
.role-badge { padding:2px 8px;border-radius:20px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em; }
.role-admin { background:rgba(245,158,11,.15);color:var(--amber);border:1px solid #92400e; }
.role-user  { background:rgba(59,130,246,.15);color:var(--accent);border:1px solid rgba(59,130,246,.3); }
.topbar-btn { padding:6px 14px;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:.8rem;font-weight:500;border:1px solid var(--border);background:var(--bg-card);color:var(--text-2);cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:6px; }
.topbar-btn:hover { border-color:var(--border-light);color:var(--text-1); }
.topbar-btn.danger { border-color:rgba(239,68,68,.3);color:var(--red); }
.topbar-btn.danger:hover { background:rgba(239,68,68,.1); }
.clock-chip { font-size:.74rem;color:var(--text-3);font-family:var(--font-mono); }
.sdot { width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;animation:blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.main { padding:24px; width:100%; }
@media(min-width:2560px) { :root{font-size:18px} .main{padding:32px 48px} .topbar{padding:0 48px;height:70px} }
@media(max-width:768px)  { .main{padding:12px} .topbar{padding:0 14px} }
.hide-sm{} @media(max-width:900px){ .hide-sm{display:none;} }

/* ====== BUTTONS ====== */
.btn { display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:.85rem;font-weight:500;border:1px solid transparent;cursor:pointer;transition:all .15s; }
.btn:disabled { opacity:.5;cursor:not-allowed; }
.btn-ghost  { background:transparent;border-color:var(--border);color:var(--text-2); }
.btn-ghost:hover  { border-color:var(--border-light);color:var(--text-1); }
.btn-accent { background:var(--accent);color:#fff;border-color:var(--accent); }
.btn-accent:hover { background:var(--accent-dim);border-color:var(--accent-dim); }
.btn-danger { background:var(--red);color:#fff;border-color:var(--red); }
.btn-danger:hover { background:#c53030;border-color:#c53030; }

.tool-btn { display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-family:var(--font-body);font-size:.82rem;font-weight:500;border:1px solid var(--border);background:var(--bg-card);color:var(--text-2);cursor:pointer;transition:all .2s;white-space:nowrap;text-decoration:none; }
.tool-btn:hover  { border-color:var(--border-light);color:var(--text-1);transform:translateY(-1px); }
.tool-btn:active { transform:translateY(0); }
.tool-btn.primary { background:var(--accent);border-color:var(--accent);color:#fff; }
.tool-btn.primary:hover { background:var(--accent-dim);border-color:var(--accent-dim); }
.tool-btn.success { background:rgba(16,185,129,.15);border-color:rgba(16,185,129,.3);color:var(--green); }
.tool-btn.success:hover { background:rgba(16,185,129,.25); }
.tool-btn.purple  { background:rgba(139,92,246,.15);border-color:rgba(139,92,246,.3);color:var(--purple); }
.tool-btn.purple:hover { background:rgba(139,92,246,.25); }
.tool-btn.amber   { background:rgba(245,158,11,.15);border-color:rgba(245,158,11,.3);color:var(--amber); }
.tool-btn.amber:hover { background:rgba(245,158,11,.25); }
.tool-btn.cyan    { background:rgba(6,182,212,.15);border-color:rgba(6,182,212,.3);color:var(--cyan); }
.tool-btn.cyan:hover { background:rgba(6,182,212,.25); }
.tool-btn.danger  { background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.3);color:var(--red); }
.tool-btn.danger:hover { background:rgba(239,68,68,.22); }
.toolbar { display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;align-items:center; }
.toolbar-sep { height:24px;width:1px;background:var(--border);margin:0 4px; }

/* ====== STATS ====== */
.stats-grid { display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:20px; }
.stat-card { background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;transition:border-color .2s; }
.stat-card:hover { border-color:var(--border-light); }
.stat-label { font-size:.75rem;color:var(--text-2);font-weight:500;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px; }
.stat-value { font-size:1.5rem;font-weight:700;font-family:var(--font-mono); }
.stat-sub   { font-size:.72rem;color:var(--text-3);margin-top:3px; }
.al-blue  { border-left:3px solid var(--accent); }
.al-amber { border-left:3px solid var(--amber); }
.al-green { border-left:3px solid var(--green); }
.al-red   { border-left:3px solid var(--red); }
.al-cyan  { border-left:3px solid var(--cyan); }
.al-purple{ border-left:3px solid var(--purple); }

/* ====== FILTER BAR ====== */
.filter-bar { background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;align-items:center; }
.filter-bar input,.filter-bar select { background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-1);padding:7px 12px;font-family:var(--font-body);font-size:.82rem;outline:none;transition:border-color .2s,box-shadow .2s; }
.filter-bar input::placeholder { color:var(--text-3); }
.filter-bar input:focus,.filter-bar select:focus { border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow); }
.filter-search { min-width:200px;flex:1; }
.filter-label { font-size:.75rem;color:var(--text-3);font-weight:500;text-transform:uppercase;letter-spacing:.05em; }

/* ====== TABLE ====== */
.table-wrapper { background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm); }
.table-header { display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);flex-wrap:wrap;gap:8px; }
.table-title { font-weight:600;font-size:.9rem;display:flex;align-items:center;gap:8px; }
.table-count { font-size:.78rem;color:var(--text-3); }
.table-scroll { overflow:auto;max-height:calc(100vh - 280px);-webkit-overflow-scrolling:touch; }
.data-table { width:100%;border-collapse:separate;border-spacing:0;font-size:.8rem; }
.data-table thead th { background:var(--bg-surface);padding:10px 12px;text-align:center;font-size:.7rem;font-weight:600;color:var(--text-2);text-transform:uppercase;letter-spacing:.07em;border-bottom:2px solid var(--accent);white-space:nowrap;position:sticky;top:0;z-index:2; }
.data-table tbody td { padding:9px 12px;text-align:center;border-bottom:1px solid rgba(30,45,74,.5);color:var(--text-1);vertical-align:middle; }
.data-table tbody tr:hover td { background:var(--bg-hover); }
.data-table tbody tr:last-child td { border-bottom:none; }
.row-total td { background:linear-gradient(135deg,rgba(59,130,246,.1),rgba(139,92,246,.07))!important;border-top:2px solid var(--accent)!important;border-bottom:none!important;font-weight:700; }

/* ====== BADGES / MONEY ====== */
.money { font-family:var(--font-mono);font-size:.78rem; }
.money-pos, .c-pos { color:var(--green); }
.money-neg, .c-neg { color:var(--red); }
.badge { display:inline-block;padding:3px 9px;border-radius:20px;font-size:.7rem;font-weight:600;white-space:nowrap; }
.b-green { background:rgba(16,185,129,.15);color:#34d399;border:1px solid rgba(16,185,129,.28); }
.b-red   { background:rgba(239,68,68,.12);color:#f87171;border:1px solid rgba(239,68,68,.22); }
.b-blue  { background:rgba(59,130,246,.13);color:#93c5fd;border:1px solid rgba(59,130,246,.25); }
.b-purple{ background:rgba(139,92,246,.13);color:#a78bfa;border:1px solid rgba(139,92,246,.28); }
.b-amber { background:rgba(245,158,11,.15);color:#fbbf24;border:1px solid rgba(245,158,11,.28); }
.b-cyan  { background:rgba(6,182,212,.12);color:#22d3ee;border:1px solid rgba(6,182,212,.22); }

/* ====== MODAL ====== */
.modal-backdrop { position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px; }
.modal-backdrop.hidden { display:none; }
.modal-box { background:var(--bg-card);border:1px solid var(--border-light);border-radius:14px;width:100%;max-width:680px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 24px 80px rgba(0,0,0,.6);animation:modalIn .25s cubic-bezier(.2,.8,.3,1) both;overflow:hidden; }
.modal-wide { max-width:860px; } .modal-xl { max-width:1000px; }
@keyframes modalIn { from{opacity:0;transform:scale(.95) translateY(10px)} to{opacity:1;transform:scale(1) translateY(0)} }
.modal-head { padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0;gap:10px; }
.modal-head h3 { font-size:1rem;font-weight:600; }
.modal-close { width:30px;height:30px;border-radius:50%;background:var(--bg-surface);border:1px solid var(--border);color:var(--text-2);font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0; }
.modal-close:hover { background:rgba(239,68,68,.15);color:var(--red);border-color:rgba(239,68,68,.3); }
.modal-body { padding:24px;overflow-y:auto;flex:1; }
.modal-foot { padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;flex-shrink:0;flex-wrap:wrap; }

/* ====== FORM ====== */
.form-grid { display:grid;grid-template-columns:1fr 1fr;gap:16px; }
@media(max-width:600px) { .form-grid { grid-template-columns:1fr; } }
.form-field { display:flex;flex-direction:column;gap:6px; }
.form-field label { font-size:.78rem;font-weight:500;color:var(--text-2); }
.form-field label .req { color:var(--red); }
.form-input, textarea.form-input { padding:9px 13px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-1);font-family:var(--font-body);font-size:.87rem;outline:none;transition:border-color .2s,box-shadow .2s; }
.form-input::placeholder { color:var(--text-3); }
.form-input:focus { border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow); }
.price-wrap { position:relative; }
.price-pfx  { position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:.8rem;pointer-events:none; }
.price-wrap .form-input { padding-left:26px;width:100%; }

/* ====== TOAST ====== */
#toast-container { position:fixed;top:70px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;max-width:340px;width:100%;pointer-events:none; }
.toast { display:flex;align-items:flex-start;gap:10px;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,.5);animation:toastIn .3s ease both;pointer-events:auto; }
.toast.leaving { animation:toastOut .3s ease forwards; }
@keyframes toastIn  { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:translateX(0)} }
@keyframes toastOut { from{opacity:1;transform:translateX(0)} to{opacity:0;transform:translateX(20px)} }
.toast-icon { font-size:1.1rem;flex-shrink:0;margin-top:1px; }
.toast-msg  { flex:1;font-size:.83rem;color:var(--text-1);line-height:1.4; }
.toast-success { border-left:3px solid var(--green); }
.toast-error   { border-left:3px solid var(--red); }
.toast-info    { border-left:3px solid var(--accent); }
.toast-warn    { border-left:3px solid var(--amber); }

/* ====== LOADING / EMPTY ====== */
.loading-row td { padding:40px;text-align:center;color:var(--text-3);font-size:.85rem; }
.spinner { display:inline-block;width:18px;height:18px;border:2px solid var(--border-light);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite;margin-right:8px;vertical-align:middle; }
@keyframes spin { to{transform:rotate(360deg)} }
.empty-state { text-align:center;padding:50px 20px;color:var(--text-3);font-size:.85rem; }
.empty-state .empty-icon { font-size:2rem;margin-bottom:10px; }

/* ====== FOCUS VISIBLE ====== */
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline:2px solid var(--accent); outline-offset:2px;
}