/* ============================================================
   Boxme Micro Tools — Shared Design System
   ============================================================
   Extracted from Carrier Audit Tool. Provides consistent styling
   across all Micro Tools: buttons, cards, forms, tables, modals,
   toasts, badges, layout utilities, and responsive breakpoints.
   ============================================================ */

/* ── CSS Variables ── */
:root {
  --primary:#0066CC; --primary-h:#0052a3; --primary-light:#e6f0ff; --primary-fg:#fff;
  --bg:#f1f5f9; --fg:#0f172a; --card:#fff; --border:#e2e8f0; --border-h:#cbd5e1;
  --muted:#f1f5f9; --muted-fg:#64748b;
  --success:#16a34a; --success-light:#dcfce7; --success-fg:#166534;
  --danger:#dc2626; --danger-light:#fee2e2; --danger-fg:#991b1b;
  --warn:#d97706; --warn-light:#fef3c7; --warn-fg:#92400e;
  --info:#0284c7; --info-light:#e0f2fe;
  --radius:0.5rem; --radius-sm:0.25rem; --radius-lg:0.75rem;
  --shadow-sm:0 1px 2px rgba(0,0,0,.05);
  --shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.1);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
  --sidebar:220px;
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Inter',sans-serif;font-size:14px;line-height:1.5;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}

/* ── Sidebar ── */
.sidebar{width:var(--sidebar);background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100vh;position:fixed;left:0;top:0;z-index:100}
.sb-logo{padding:16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.sb-logo-icon{width:32px;height:32px;background:var(--primary);border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px;flex-shrink:0}
.sb-logo-name{font-weight:700;font-size:14px;line-height:1.2}
.sb-logo-sub{font-size:11px;color:var(--muted-fg)}
.sb-nav{flex:1;padding:10px 8px;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:var(--radius-sm);cursor:pointer;color:var(--muted-fg);font-size:13px;font-weight:500;transition:all .15s;margin-bottom:2px;border:none;background:none;width:100%;text-align:left;text-decoration:none}
.nav-item:hover{background:var(--muted);color:var(--fg)}
.nav-item.active{background:var(--primary-light);color:var(--primary)}
.sb-footer{padding:10px 8px;border-top:1px solid var(--border)}
.lang-sw{display:flex;gap:3px;background:var(--muted);border-radius:var(--radius-sm);padding:3px}
.lang-btn{flex:1;padding:4px 6px;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:11px;font-weight:600;background:transparent;color:var(--muted-fg);transition:all .15s}
.lang-btn.active{background:#fff;color:var(--primary);box-shadow:var(--shadow-sm)}
.sb-version{font-size:10px;color:var(--muted-fg);text-align:center;margin-top:6px}

/* ── Main ── */
.main-content{margin-left:var(--sidebar);flex:1;display:flex;flex-direction:column;min-height:100vh}
.main-header{background:var(--card);border-bottom:1px solid var(--border);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.main-title{font-size:16px;font-weight:700}
.main-sub{font-size:12px;color:var(--muted-fg);margin-top:1px}
.main-body{flex:1;padding:24px;overflow-y:auto}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s;white-space:nowrap;text-decoration:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover:not(:disabled){background:var(--primary-h);border-color:var(--primary-h)}
.btn-secondary{background:var(--muted);color:var(--fg);border-color:var(--border)}
.btn-secondary:hover:not(:disabled){background:var(--border)}
.btn-outline{background:transparent;color:var(--fg);border-color:var(--border)}
.btn-outline:hover:not(:disabled){background:var(--muted)}
.btn-ghost{background:transparent;color:var(--muted-fg);border-color:transparent}
.btn-ghost:hover:not(:disabled){background:var(--muted);color:var(--fg)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-lg{padding:11px 22px;font-size:14px;font-weight:600}
.btn-icon{padding:6px;width:32px;height:32px}
.btn-success{background:var(--success);color:#fff;border-color:var(--success)}
.btn-danger-outline{background:transparent;color:var(--danger);border-color:var(--danger)}
.btn-danger-outline:hover:not(:disabled){background:var(--danger-light)}

/* ── Cards ── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card-header{padding:16px 20px 0}
.card-title{font-size:15px;font-weight:700}
.card-desc{font-size:12px;color:var(--muted-fg);margin-top:2px}
.card-content{padding:16px 20px}
.card-footer{padding:0 20px 16px;display:flex;align-items:center;gap:8px}
.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}

/* ── Badges ── */
.badge{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:9999px;font-size:11px;font-weight:600}
.badge-default{background:var(--muted);color:var(--muted-fg)}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-success{background:var(--success-light);color:var(--success-fg)}
.badge-danger{background:var(--danger-light);color:var(--danger-fg)}
.badge-warn{background:var(--warn-light);color:var(--warn-fg)}
.learned-chip{display:inline-flex;align-items:center;gap:3px;font-size:10px;color:var(--success-fg);background:var(--success-light);padding:2px 6px;border-radius:9999px;font-weight:600}

/* ── Forms ── */
.label{display:block;font-size:12px;font-weight:600;margin-bottom:5px;color:var(--fg)}
.input,.select,.textarea{width:100%;padding:7px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--fg);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;font-family:inherit}
.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,102,204,.1)}
.input::placeholder{color:var(--muted-fg)}
.input-sm,.select-sm{padding:5px 8px;font-size:12px}
.textarea{resize:vertical;min-height:120px}
.form-group{margin-bottom:14px}
.sep{height:1px;background:var(--border);margin:16px 0}

/* ── Step indicator ── */
.step-nav{display:flex;align-items:center;margin-bottom:24px}
.step-item{display:flex;align-items:center;gap:7px;flex-shrink:0}
.step-circle{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;border:2px solid var(--border);background:#fff;color:var(--muted-fg);transition:all .2s;flex-shrink:0}
.step-circle.active{border-color:var(--primary);background:var(--primary);color:#fff}
.step-circle.done{border-color:var(--success);background:var(--success);color:#fff}
.step-lbl{font-size:12px;font-weight:500;color:var(--muted-fg);white-space:nowrap}
.step-lbl.active{color:var(--primary);font-weight:600}
.step-lbl.done{color:var(--success)}
.step-line{flex:1;height:2px;background:var(--border);margin:0 10px}
.step-line.done{background:var(--success)}

/* ── Upload ── */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:28px 16px;text-align:center;cursor:pointer;transition:all .2s;background:#fff}
.upload-zone:hover,.upload-zone.drag-over{border-color:var(--primary);background:var(--primary-light)}
.upload-zone.has-file{border-style:solid;border-color:var(--success);background:var(--success-light)}
.upload-zone.has-file:hover{border-color:var(--danger);background:var(--danger-light)}
.uz-icon{margin:0 auto 10px;color:var(--muted-fg)}
.upload-zone.has-file .uz-icon{color:var(--success)}
.uz-title{font-size:13px;font-weight:600;margin-bottom:3px}
.uz-sub{font-size:11px;color:var(--muted-fg)}

/* ── Grid & Flex utils ── */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}
.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.justify-center{justify-content:center}
.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.flex-1{flex:1}.w-full{width:100%}
.text-sm{font-size:12px}.text-xs{font-size:11px}.font-bold{font-weight:700}.font-semibold{font-weight:600}
.text-muted{color:var(--muted-fg)}.text-primary{color:var(--primary)}.text-success{color:var(--success)}
.text-danger{color:var(--danger)}.text-warn{color:var(--warn)}.text-center{text-align:center}

/* ── Stat cards ── */
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.stat-label{font-size:11px;font-weight:600;color:var(--muted-fg);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}
.stat-value{font-size:26px;font-weight:800;line-height:1}
.stat-icon{float:right;width:34px;height:34px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}

/* ── Summary bar ── */
.summary-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:16px}
.summary-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;text-align:center}
.summary-value{font-size:22px;font-weight:800;line-height:1}
.summary-lbl{font-size:10px;color:var(--muted-fg);margin-top:3px;text-transform:uppercase;letter-spacing:.04em}
.summary-sub{font-size:11px;font-weight:600;margin-top:2px}

/* ── Table ── */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}
.table{width:100%;border-collapse:collapse;font-size:12px}
.table th{background:var(--muted);padding:9px 11px;text-align:left;font-weight:600;color:var(--muted-fg);font-size:11px;border-bottom:1px solid var(--border);white-space:nowrap}
.table td{padding:9px 11px;border-bottom:1px solid var(--border);color:var(--fg)}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:#fafafa}
.col-num{text-align:right;font-variant-numeric:tabular-nums}
.row-over td{background:#fff8f8}
.row-under td{background:#fffbf0}
.row-missing td{background:#f8f8f8;color:var(--muted-fg)}

/* ── Tabs ── */
.tabs-list{display:flex;background:var(--muted);border-radius:var(--radius-sm);padding:3px;gap:2px}
.tab-btn{flex:1;padding:6px 10px;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:12px;font-weight:500;background:transparent;color:var(--muted-fg);transition:all .15s;white-space:nowrap}
.tab-btn.active{background:#fff;color:var(--fg);box-shadow:var(--shadow-sm)}

/* ── Modal ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(2px)}
.modal-overlay.hidden{display:none}
.modal{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:660px;max-height:88vh;display:flex;flex-direction:column;overflow:hidden}
.modal-header{padding:18px 22px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:15px;font-weight:700}
.modal-body{flex:1;overflow-y:auto;padding:18px 22px}
.modal-footer{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}

/* ── Toast ── */
.toast-container{position:fixed;bottom:20px;right:20px;z-index:300;display:flex;flex-direction:column;gap:6px}
.toast{background:var(--fg);color:#fff;padding:11px 14px;border-radius:var(--radius);box-shadow:var(--shadow-lg);font-size:13px;display:flex;align-items:center;gap:8px;min-width:240px;animation:slideIn .25s ease}
.toast.success{background:var(--success)}
.toast.error{background:var(--danger)}
.toast.warn{background:var(--warn)}
@keyframes slideIn{from{transform:translateX(80px);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes fadeOut{from{opacity:1}to{opacity:0}}

/* ── Carrier grid ── */
.carrier-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}
.carrier-card{border:2px solid var(--border);border-radius:var(--radius);padding:12px 10px;cursor:pointer;transition:all .15s;text-align:center;background:#fff}
.carrier-card:hover{border-color:var(--primary);background:var(--primary-light)}
.carrier-card.selected{border-color:var(--primary);background:var(--primary-light)}
.carrier-flag{font-size:22px;margin-bottom:5px}
.carrier-name{font-size:13px;font-weight:700}
.carrier-fullname{font-size:10px;color:var(--muted-fg);margin-top:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ── Mapping ── */
.map-row{display:flex;align-items:center;gap:6px;padding:5px 6px;border-radius:var(--radius-sm);margin-bottom:3px}
.map-row:hover{background:var(--muted)}
.map-lbl{font-size:12px;font-weight:500;width:150px;flex-shrink:0}
.map-req{color:var(--danger);font-size:10px}

/* ── Code block ── */
.code-block{background:var(--muted);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-family:'SF Mono','Fira Code',monospace;font-size:12px;white-space:pre-wrap;word-break:break-word;line-height:1.6;position:relative}

/* ── Empty state ── */
.empty-state{text-align:center;padding:40px 24px}
.empty-icon{margin:0 auto 12px;color:var(--muted-fg);opacity:.4}
.empty-title{font-size:15px;font-weight:600;margin-bottom:6px}
.empty-sub{font-size:13px;color:var(--muted-fg);max-width:280px;margin:0 auto 16px}

/* ── Progress ── */
.progress-bar{height:5px;background:var(--muted);border-radius:9999px;overflow:hidden}
.progress-fill{height:100%;background:var(--primary);border-radius:9999px;transition:width .4s ease}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--muted-fg)}

/* ── Sidebar settings dropdowns ── */
.sb-settings{padding:8px 10px;border-top:1px solid var(--border)}
.sb-setting-row{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:5px}
.sb-setting-lbl{font-size:10px;color:var(--muted-fg);text-transform:uppercase;letter-spacing:.4px;white-space:nowrap;flex-shrink:0}
.sb-select{background:var(--muted);border:1px solid var(--border);color:var(--fg);padding:3px 6px;border-radius:var(--radius-sm);font-size:11px;cursor:pointer;flex:1;min-width:0}
.sb-select:focus{outline:none;border-color:var(--primary)}

/* ── Export filter buttons ── */
.export-filters{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.export-filter-btn{padding:5px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--muted);color:var(--fg);font-size:12px;cursor:pointer;transition:all .15s}
.export-filter-btn:hover,.export-filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ── Tool cards (Portal) ── */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;transition:all .2s;cursor:pointer;text-decoration:none;color:inherit;display:block}
.tool-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.tool-card.disabled{opacity:.5;cursor:not-allowed;pointer-events:none}
.tool-card-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px}
.tool-card-title{font-size:15px;font-weight:700;margin-bottom:4px}
.tool-card-desc{font-size:12px;color:var(--muted-fg);line-height:1.5}
.tool-card-badge{margin-top:12px}

/* ── Login page ── */
.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#0f172a 100%);padding:20px}
.login-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:400px;overflow:hidden}
.login-header{background:linear-gradient(135deg,var(--primary) 0%,#0052a3 100%);padding:32px 32px 28px;text-align:center;color:#fff}
.login-logo{width:56px;height:56px;background:rgba(255,255,255,.2);border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-weight:900;font-size:20px;backdrop-filter:blur(4px)}
.login-title{font-size:20px;font-weight:800;margin-bottom:4px}
.login-subtitle{font-size:12px;opacity:.85}
.login-body{padding:28px 32px 32px}
.login-error{background:var(--danger-light);color:var(--danger-fg);padding:8px 12px;border-radius:var(--radius-sm);font-size:12px;margin-bottom:14px;display:none;align-items:center;gap:6px}
.login-error.show{display:flex}
.login-footer{text-align:center;padding:0 32px 24px}
.login-footer-text{font-size:11px;color:var(--muted-fg)}

/* ── Utilities ── */
.hidden{display:none!important}

/* ── Responsive ── */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .main-content{margin-left:0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .summary-bar{grid-template-columns:repeat(2,1fr)}
  .tool-grid{grid-template-columns:1fr}
  .login-card{max-width:100%}
}