/* ================================================================
   AVA Trail Tools — styles.css
   Brand palette extracted from ava_icon.png / ava-logo.png:
     Primary cyan  #00AEEF
     Accent orange #E2942F
     Accent yellow #FFF23A
   ================================================================ */

/* ---------- Custom Properties ---------- */
:root {
  /* Primary: AVA Cyan-Teal */
  --ava-primary:        #00AEEF;
  --ava-primary-dark:   #0088C6;
  --ava-primary-darker: #006A9E;
  --ava-primary-light:  #4DC8F5;
  --ava-primary-subtle: #E6F7FD;

  /* Accent: AVA Orange-Amber */
  --ava-accent:         #E2942F;
  --ava-accent-dark:    #C97D1E;
  --ava-accent-light:   #F5B96B;
  --ava-accent-subtle:  #FDF3E5;

  /* Accent 2: AVA Yellow */
  --ava-yellow:         #FFF23A;
  --ava-yellow-dark:    #E0D400;

  /* Neutrals */
  --neutral-50:   #F8FAFB;
  --neutral-100:  #EEF2F5;
  --neutral-200:  #DDE4EA;
  --neutral-300:  #C4CED8;
  --neutral-400:  #94A3B1;
  --neutral-500:  #6B7C8C;
  --neutral-600:  #4A5968;
  --neutral-700:  #344150;
  --neutral-800:  #1E2D3D;
  --neutral-900:  #0F1924;

  /* Semantic */
  --success: #10B981;
  --warning: #F59E0B;
  --error:   #EF4444;

  /* Elevation */
  --shadow-sm:  0 1px 2px rgba(15,25,36,.05);
  --shadow-md:  0 4px 12px rgba(15,25,36,.08);
  --shadow-lg:  0 12px 32px rgba(15,25,36,.10);
  --shadow-xl:  0 24px 48px rgba(15,25,36,.12);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Motion */
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ---------- Dark Theme ---------- */
[data-theme="dark"] {
  --neutral-50:   #0F1924;
  --neutral-100:  #1A2736;
  --neutral-200:  #263545;
  --neutral-300:  #344150;
  --neutral-400:  #4A5968;
  --neutral-500:  #6B7C8C;
  --neutral-600:  #94A3B1;
  --neutral-700:  #C4CED8;
  --neutral-800:  #DDE4EA;
  --neutral-900:  #EEF2F5;

  --ava-primary-subtle: #0A2A3E;
  --ava-accent-subtle:  #2E1F0E;

  --shadow-sm:  0 1px 2px rgba(0,0,0,.2);
  --shadow-md:  0 4px 12px rgba(0,0,0,.3);
  --shadow-lg:  0 12px 32px rgba(0,0,0,.35);
  --shadow-xl:  0 24px 48px rgba(0,0,0,.4);
}
[data-theme="dark"] .top-bar,
[data-theme="dark"] .tool-card,
[data-theme="dark"] .pipeline-flow,
[data-theme="dark"] .login-card,
[data-theme="dark"] .sidebar,
[data-theme="dark"] .footer {
  background:var(--neutral-100);
}
[data-theme="dark"] .top-bar-logo {
  background:#fff;border-radius:6px;padding:2px;
}
[data-theme="dark"] .login-overlay {
  background:linear-gradient(135deg, #060D14 0%, #0A2A3E 100%);
}
[data-theme="dark"] .form-group input {
  background:var(--neutral-50);
  color:var(--neutral-800);
}
[data-theme="dark"] .form-group input:focus {
  background:var(--neutral-100);
}
[data-theme="dark"] .card-mapper .card-step-badge {
  background:#064E3B;color:#6EE7B7;
}
[data-theme="dark"] .status-bar.success {
  background:#064E3B;color:#6EE7B7;
}
[data-theme="dark"] .status-bar.error {
  background:#450A0A;color:#FCA5A5;
}

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{
  scroll-behavior:smooth;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--neutral-800);
  background:var(--neutral-50);
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

h1,h2,h3,h4{
  font-family:'Plus Jakarta Sans','Inter',sans-serif;
  line-height:1.2;
}

/* ================================================================
   LOGIN OVERLAY
   ================================================================ */
.login-overlay{
  position:fixed;inset:0;
  background:linear-gradient(135deg,var(--neutral-900) 0%,var(--ava-primary-darker) 100%);
  display:flex;align-items:center;justify-content:center;
  z-index:1000;
  transition:opacity .5s var(--ease-out),visibility .5s;
}
.login-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}

.login-card{
  background:#fff;border-radius:var(--radius-xl);
  padding:48px 40px;width:100%;max-width:420px;
  box-shadow:var(--shadow-xl);text-align:center;
}
.login-card .logo-mark{width:200px;height:auto;margin:0 auto 24px}
.login-card h2{font-size:1.5rem;color:var(--neutral-800);margin-bottom:8px}
.login-card .subtitle{color:var(--neutral-500);font-size:.875rem;margin-bottom:32px}

.form-group{margin-bottom:20px;text-align:left}
.form-group label{
  display:block;font-size:.8125rem;font-weight:500;
  color:var(--neutral-600);margin-bottom:6px;
}
.form-group input{
  width:100%;padding:12px 16px;
  border:1.5px solid var(--neutral-200);border-radius:var(--radius-sm);
  font-size:.9375rem;font-family:inherit;color:var(--neutral-800);
  background:var(--neutral-50);
  transition:border-color .2s,box-shadow .2s;outline:none;
}
.form-group input:focus{
  border-color:var(--ava-primary);
  box-shadow:0 0 0 3px rgba(0,174,239,.15);
  background:#fff;
}

.login-btn{
  width:100%;padding:14px;
  background:var(--ava-primary);color:#fff;border:none;
  border-radius:var(--radius-sm);
  font-size:.9375rem;font-weight:600;font-family:inherit;
  cursor:pointer;transition:background .2s,transform .1s;margin-top:8px;
}
.login-btn:hover{background:var(--ava-primary-dark)}
.login-btn:active{transform:scale(.98)}
.login-btn:disabled{opacity:.6;cursor:not-allowed}

.password-wrapper{position:relative}
.password-wrapper input{padding-right:44px}
.password-toggle{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  background:none;border:none;cursor:pointer;
  color:var(--neutral-400);padding:4px;border-radius:4px;
  display:flex;align-items:center;justify-content:center;
  transition:color .2s;
}
.password-toggle:hover{color:var(--neutral-600)}
.password-toggle .material-symbols-rounded{font-size:20px}

.login-error{color:var(--error);font-size:.8125rem;margin-top:12px;min-height:20px}

/* ================================================================
   TOP NAVIGATION BAR
   ================================================================ */
.top-bar{
  background:#fff;border-bottom:1px solid var(--neutral-200);
  padding:0 32px;height:64px;
  display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm);
}
.top-bar-left{display:flex;align-items:center;gap:16px}
.top-bar-logo{height:36px;width:auto}
.top-bar-title{
  font-family:'Plus Jakarta Sans',sans-serif;
  font-size:1.125rem;font-weight:700;color:var(--neutral-800);
}
.top-bar-title span{color:var(--ava-primary)}

.top-bar-right{display:flex;align-items:center;gap:16px}

.theme-toggle{
  background:none;border:1px solid var(--neutral-200);
  border-radius:var(--radius-sm);padding:6px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:var(--neutral-600);transition:all .2s;
}
.theme-toggle:hover{background:var(--neutral-100);color:var(--neutral-800)}
.theme-toggle .material-symbols-rounded{font-size:20px}

.user-menu{position:relative}
.user-chip{
  display:flex;align-items:center;gap:8px;
  padding:6px 14px 6px 8px;
  background:var(--neutral-100);border-radius:999px;border:none;
  font-size:.8125rem;font-weight:500;color:var(--neutral-700);
  cursor:pointer;font-family:inherit;transition:all .2s;
}
.user-chip:hover{background:var(--neutral-200)}
.user-chip .material-symbols-rounded{font-size:20px;color:var(--ava-primary)}
.user-chip .user-chip-arrow{font-size:18px;color:var(--neutral-400);transition:transform .2s}
.user-menu.open .user-chip-arrow{transform:rotate(180deg)}

.user-dropdown{
  display:none;position:absolute;right:0;top:calc(100% + 6px);
  background:var(--neutral-100);border:1px solid var(--neutral-200);
  border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);
  min-width:160px;overflow:hidden;z-index:200;
}
.user-menu.open .user-dropdown{display:block}

.user-dropdown-item{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:10px 16px;border:none;background:none;
  font-size:.8125rem;font-weight:500;color:var(--neutral-700);
  cursor:pointer;font-family:inherit;transition:all .15s;
}
.user-dropdown-item:hover{background:var(--neutral-200);color:var(--neutral-800)}
.user-dropdown-item .material-symbols-rounded{font-size:18px;color:var(--neutral-500)}

/* ================================================================
   HERO
   ================================================================ */
.hero{
  background:linear-gradient(135deg,var(--ava-primary-darker) 0%,var(--ava-primary) 50%,var(--ava-primary-light) 100%);
  padding:56px 32px 48px;text-align:center;color:#fff;
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero h1{font-size:2rem;font-weight:800;margin-bottom:12px;position:relative}
.hero p{font-size:1.0625rem;opacity:.9;max-width:600px;margin:0 auto;position:relative}

/* ================================================================
   PIPELINE SECTION
   ================================================================ */
.pipeline-section{
  max-width:1200px;margin:0 auto;
  padding:24px 32px 64px;position:relative;z-index:10;
}

/* Flow indicator strip */
.pipeline-flow{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-bottom:40px;padding:16px 24px;
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
}
.flow-step{
  display:flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-sm);
  font-size:.8125rem;font-weight:600;color:var(--neutral-500);
  transition:all .3s var(--ease-out);
}
.flow-step .material-symbols-rounded{font-size:20px}
.flow-step.active{background:var(--ava-primary-subtle);color:var(--ava-primary-dark)}
.flow-step.completed{color:var(--success)}
.flow-arrow{color:var(--neutral-300);font-size:20px;flex-shrink:0}

/* ================================================================
   TOOL CARDS
   ================================================================ */
.tool-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

.tool-card{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
  overflow:hidden;display:flex;flex-direction:column;
  border:1.5px solid transparent;cursor:default;
  transition:transform .3s var(--ease-out),box-shadow .3s var(--ease-out);
}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}

.tool-card.card-parse   {border-top:3px solid var(--ava-accent)}
.tool-card.card-geocode  {border-top:3px solid var(--ava-primary)}
.tool-card.card-mapper   {border-top:3px solid var(--success)}

/* Card header */
.card-header{padding:28px 28px 0;display:flex;align-items:flex-start;gap:16px}
.card-icon{
  width:48px;height:48px;border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.card-icon .material-symbols-rounded{font-size:26px;color:#fff}
.card-parse  .card-icon{background:var(--ava-accent)}
.card-geocode .card-icon{background:var(--ava-primary)}
.card-mapper  .card-icon{background:var(--success)}

.card-header-text h3{font-size:1.125rem;font-weight:700;color:var(--neutral-800);margin-bottom:4px}
.card-step-badge{
  font-size:.6875rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.5px;padding:2px 8px;border-radius:999px;
}
.card-parse  .card-step-badge{background:var(--ava-accent-subtle);color:var(--ava-accent-dark)}
.card-geocode .card-step-badge{background:var(--ava-primary-subtle);color:var(--ava-primary-dark)}
.card-mapper  .card-step-badge{background:#D1FAE5;color:#065F46}

/* Card body */
.card-body{padding:20px 28px;flex:1}
.card-body p{font-size:.875rem;color:var(--neutral-500);line-height:1.65;margin-bottom:20px}

/* Feature chips */
.feature-list{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.feature-chip{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 10px;background:var(--neutral-100);border-radius:999px;
  font-size:.75rem;font-weight:500;color:var(--neutral-600);
}
.feature-chip .material-symbols-rounded{font-size:14px}

/* Upload zone */
.upload-zone{
  border:2px dashed var(--neutral-200);border-radius:var(--radius-md);
  padding:24px 16px;text-align:center;transition:all .2s;
  cursor:pointer;position:relative;
}
.upload-zone:hover,
.upload-zone.drag-over{
  border-color:var(--ava-primary);background:var(--ava-primary-subtle);
}
.upload-zone .material-symbols-rounded{
  font-size:32px;color:var(--neutral-400);margin-bottom:8px;display:block;
}
.upload-zone:hover .material-symbols-rounded{color:var(--ava-primary)}
.upload-zone .upload-label{font-size:.8125rem;font-weight:500;color:var(--neutral-600)}
.upload-zone .upload-hint{font-size:.75rem;color:var(--neutral-400);margin-top:4px}
.upload-zone input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer}

/* File selected */
.file-selected{
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;background:var(--neutral-100);
  border-radius:var(--radius-sm);margin-bottom:16px;
}
.file-selected .material-symbols-rounded{font-size:20px;color:var(--success)}
.file-selected .file-name{
  flex:1;font-size:.8125rem;font-weight:500;color:var(--neutral-700);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.file-selected .file-remove{
  background:none;border:none;cursor:pointer;color:var(--neutral-400);
  padding:2px;border-radius:4px;display:flex;
}
.file-selected .file-remove:hover{color:var(--error);background:rgba(239,68,68,.1)}

/* Card footer / action */
.card-footer{padding:0 28px 28px}
.card-action-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:14px;border:none;border-radius:var(--radius-sm);
  font-size:.9375rem;font-weight:600;font-family:inherit;
  cursor:pointer;transition:all .2s;color:#fff;
}
.card-action-btn .material-symbols-rounded{font-size:20px}
.card-action-btn:disabled{opacity:.5;cursor:not-allowed}

.card-parse   .card-action-btn{background:var(--ava-accent)}
.card-parse   .card-action-btn:hover:not(:disabled){background:var(--ava-accent-dark)}
.card-geocode  .card-action-btn{background:var(--ava-primary)}
.card-geocode  .card-action-btn:hover:not(:disabled){background:var(--ava-primary-dark)}
.card-mapper   .card-action-btn{background:var(--success)}
.card-mapper   .card-action-btn:hover:not(:disabled){background:#059669}

/* ================================================================
   STATUS BAR
   ================================================================ */
.status-bar{
  margin-top:16px;padding:12px 16px;
  border-radius:var(--radius-sm);font-size:.8125rem;display:none;
}
.status-bar.visible{display:flex;align-items:center;gap:8px}
.status-bar.info   {background:var(--ava-primary-subtle);color:var(--ava-primary-dark)}
.status-bar.success{background:#D1FAE5;color:#065F46}
.status-bar.error  {background:#FEE2E2;color:#991B1B}
.status-bar .material-symbols-rounded{font-size:18px}

.spinner{
  width:18px;height:18px;
  border:2px solid currentColor;border-top-color:transparent;
  border-radius:50%;animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.clock-icon{flex-shrink:0;vertical-align:middle}

/* Pipeline progress display */
.pipeline-step{
  display:flex;align-items:center;gap:10px;
  padding:8px 12px;border-radius:var(--radius-sm);
  margin-bottom:4px;font-size:.8125rem;
  transition:background .3s;
}
.pipeline-step.active{background:var(--ava-primary-subtle)}
.pipeline-step.done{opacity:.8}
.pipeline-step.waiting{opacity:.5}
.pipeline-step.failed{background:rgba(239,68,68,.1)}
.pipeline-step-icon{
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.pipeline-step-icon .material-symbols-rounded{font-size:20px}
.pipeline-step-label{flex:1;min-width:0;font-weight:500;color:var(--neutral-700)}
.pipeline-step-time{
  font-variant-numeric:tabular-nums;font-weight:700;
  font-size:.8125rem;color:var(--neutral-500);white-space:nowrap;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer{
  margin-top:auto;padding:24px 32px;text-align:center;
  border-top:1px solid var(--neutral-200);background:#fff;
}
.footer p{font-size:.75rem;color:var(--neutral-400)}
.footer a{color:var(--ava-primary);text-decoration:none}
.footer a:hover{text-decoration:underline}

/* ================================================================
   SERVER FILE LIST (in geocoder & mapper cards)
   ================================================================ */
.server-file-item{
  display:flex;align-items:center;gap:8px;
  padding:10px 12px;
  border:1px solid var(--neutral-200);border-radius:var(--radius-sm);
  margin-bottom:6px;cursor:pointer;
  transition:all .15s;font-size:.8125rem;
}
.server-file-item:last-child{margin-bottom:0}
.server-file-item:hover{background:var(--neutral-50);border-color:var(--neutral-300)}
.server-file-item.selected{
  background:var(--ava-primary-subtle);
  border-color:var(--ava-primary);
}
.server-file-item .sf-radio{font-size:20px;color:var(--neutral-400);flex-shrink:0}
.server-file-item.selected .sf-radio{color:var(--ava-primary)}
.server-file-item .sf-name{
  flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--neutral-700);font-weight:500;
}
.server-file-item .sf-download{
  flex-shrink:0;color:var(--neutral-400);
  display:flex;align-items:center;padding:4px;border-radius:4px;
  transition:all .15s;text-decoration:none;
}
.server-file-item .sf-download:hover{color:var(--ava-primary);background:var(--ava-primary-subtle)}
.server-file-item .sf-download .material-symbols-rounded{font-size:18px}
.server-files-header{
  font-size:.75rem;font-weight:600;color:var(--neutral-600);
  margin-bottom:8px;display:flex;align-items:center;gap:6px;
}
.server-files-header .material-symbols-rounded{font-size:16px;color:var(--ava-primary)}
.server-files-actions{
  display:flex;justify-content:flex-end;margin-top:8px;gap:12px;
}
.server-files-actions a{
  font-size:.75rem;color:var(--ava-primary);text-decoration:none;
  display:inline-flex;align-items:center;gap:3px;
}
.server-files-actions a:hover{text-decoration:underline}
.server-files-actions a .material-symbols-rounded{font-size:14px}

/* ================================================================
   APP LAYOUT (sidebar + main)
   ================================================================ */
.app-layout{
  display:flex;min-height:calc(100vh - 64px);
}

/* Sidebar */
.sidebar{
  width:300px;flex-shrink:0;
  background:#fff;border-right:1px solid var(--neutral-200);
  display:flex;flex-direction:column;
  height:calc(100vh - 64px);position:sticky;top:64px;
  transition:width .3s var(--ease-out);
  overflow:hidden;z-index:50;
}
.sidebar.collapsed{width:48px}
.sidebar.collapsed .sidebar-title,
.sidebar.collapsed .sidebar-events,
.sidebar.collapsed .sidebar-new-btn{display:none}

.sidebar-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px;border-bottom:1px solid var(--neutral-200);
  flex-shrink:0;gap:8px;
}
.sidebar-title{
  font-size:.8125rem;font-weight:700;color:var(--neutral-700);
  text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;
}
.sidebar-header-actions{display:flex;align-items:center;gap:4px}
.sidebar-new-btn,.sidebar-toggle-btn{
  background:none;border:1px solid var(--neutral-200);
  border-radius:var(--radius-sm);padding:4px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:var(--neutral-600);transition:all .2s;
}
.sidebar-new-btn:hover,.sidebar-toggle-btn:hover{
  background:var(--neutral-100);color:var(--ava-primary);
}
.sidebar-new-btn .material-symbols-rounded,
.sidebar-toggle-btn .material-symbols-rounded{font-size:20px}

.sidebar-search{
  display:flex;align-items:center;gap:6px;
  padding:8px 12px;border-bottom:1px solid var(--neutral-200);
  flex-shrink:0;
}
.sidebar-search .material-symbols-rounded{font-size:18px;color:var(--neutral-400)}
.sidebar-search input{
  flex:1;border:none;background:none;
  font-size:.75rem;font-family:inherit;color:var(--neutral-700);
  outline:none;
}
.sidebar-search input::placeholder{color:var(--neutral-400)}
.sidebar.collapsed .sidebar-search{display:none}

.sidebar-events{
  flex:1;overflow-y:auto;padding:8px;
}

/* Sidebar event card */
.sidebar-event{
  border:1px solid var(--neutral-200);border-radius:var(--radius-sm);
  margin-bottom:8px;overflow:hidden;transition:border-color .2s;
}
.sidebar-event.selected{border-color:var(--ava-primary)}
.sidebar-event-header{
  display:flex;align-items:center;gap:8px;
  padding:10px 12px;cursor:pointer;transition:background .15s;
}
.sidebar-event-header:hover{background:var(--neutral-50)}
.sidebar-event-chevron{
  font-size:18px;color:var(--neutral-400);transition:transform .2s;flex-shrink:0;
}
.sidebar-event.expanded .sidebar-event-chevron{transform:rotate(90deg)}
.sidebar-event-info{flex:1;min-width:0}
.sidebar-event-id{font-size:.8125rem;font-weight:700;color:var(--neutral-800)}
.sidebar-event-name{
  font-size:.6875rem;color:var(--neutral-500);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.sidebar-event-progress{
  font-size:.625rem;font-weight:600;color:var(--neutral-400);white-space:nowrap;
}

/* Sidebar event body (expandable) */
.sidebar-event-body{
  display:none;padding:0 12px 10px;border-top:1px solid var(--neutral-200);
}
.sidebar-event.expanded .sidebar-event-body{display:block}

.sidebar-section-label{
  font-size:.625rem;font-weight:600;color:var(--neutral-500);
  text-transform:uppercase;letter-spacing:.5px;
  margin:8px 0 4px;
}

/* PDF source item */
.sidebar-pdf{
  display:flex;align-items:center;gap:6px;
  padding:4px 0;font-size:.75rem;color:var(--neutral-600);
}
.sidebar-pdf .material-symbols-rounded{font-size:16px;color:var(--ava-accent)}

/* Trail item */
.sidebar-trail{
  display:flex;align-items:center;gap:6px;
  padding:6px 0;border-bottom:1px solid var(--neutral-100);
}
.sidebar-trail:last-child{border-bottom:none}
.sidebar-trail-name{
  flex:1;font-size:.6875rem;font-weight:500;color:var(--neutral-700);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;
}
.sidebar-trail-dots{display:flex;gap:3px;flex-shrink:0}
.sidebar-dot{
  width:10px;height:10px;border-radius:50%;
  border:1.5px solid var(--neutral-300);background:var(--neutral-100);
  position:relative;
}
.sidebar-dot.done{background:var(--success);border-color:var(--success)}
.sidebar-dot[title]{cursor:help}
.sidebar-trail-action{
  background:none;border:none;cursor:pointer;
  color:var(--ava-primary);display:flex;align-items:center;
  padding:2px;border-radius:4px;transition:all .15s;flex-shrink:0;
}
.sidebar-trail-action:hover{background:var(--ava-primary-subtle)}
.sidebar-trail-action .material-symbols-rounded{font-size:16px}

/* Card highlight animation */
.card-highlight{
  animation:cardPulse 1.5s ease-out;
}
@keyframes cardPulse{
  0%{box-shadow:0 0 0 0 rgba(0,174,239,.4)}
  50%{box-shadow:0 0 0 8px rgba(0,174,239,.15)}
  100%{box-shadow:var(--shadow-md)}
}

/* Sidebar backdrop (mobile only) */
.sidebar-backdrop{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,.4);z-index:49;
}

/* Main content */
.main-content{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}

/* Sticky pipeline status bar */
.pipeline-sticky-bar{
  display:none;position:sticky;top:64px;z-index:40;
  padding:8px 20px;
  background:var(--ava-primary-subtle);
  border-bottom:1px solid var(--ava-primary-light);
  font-size:.8125rem;font-weight:500;color:var(--ava-primary-dark);
  align-items:center;gap:8px;
}
.pipeline-sticky-bar.visible{display:flex}
.pipeline-sticky-bar .material-symbols-rounded{font-size:18px}
.pipeline-sticky-bar .clock-icon{width:16px;height:16px}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media(max-width:1200px){
  .tool-cards{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:960px){
  .sidebar{
    position:fixed;left:0;top:64px;
    width:300px;height:calc(100vh - 64px);
    transform:translateX(-100%);z-index:50;
  }
  .sidebar.open{transform:translateX(0)}
  .sidebar.collapsed{transform:translateX(-100%);width:300px}
  .sidebar-backdrop.visible{display:block}
  .tool-cards{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .pipeline-flow{flex-wrap:wrap;justify-content:center}
  .flow-arrow{display:none}
  .hero h1{font-size:1.5rem}
}
@media(max-width:600px){
  .top-bar{padding:0 16px}
  .top-bar-title{font-size:.9375rem}
  .hero{padding:40px 16px 36px}
  .pipeline-section{padding:0 16px 40px}
  .card-header,.card-body,.card-footer{padding-left:20px;padding-right:20px}
}