/*
 * Neoflow onboarding wizard — structural styles ported from the design package
 * (see /tmp/neoflow-design/neoflow/project/styles.css). Token names like
 * --ink, --surface, --primary are wired by themes.css (parallel branch /
 * APP_THEME env var). We list defensive fallbacks so the page renders sanely
 * even if themes.css is loaded after this file.
 */

:root {
    --primary:        var(--nf-primary,        #FF9D00);
    --primary-hover:  var(--nf-primary-hover,  #E68D00);
    --primary-soft:   var(--nf-primary-soft,   #FFF7EB);
    --primary-on:     var(--nf-primary-on,     #000000);

    --bg:             var(--nf-bg,             #F3F3F3);
    --surface:        var(--nf-surface,        #FFFFFF);
    --surface-2:      var(--nf-surface-2,      #F9F9F9);
    --ink:            var(--nf-ink,            #000000);
    --ink-2:          var(--nf-ink-2,          #2A2A2A);
    --ink-3:          var(--nf-ink-3,          #585858);
    --ink-4:          var(--nf-ink-4,          #858585);
    --ink-5:          var(--nf-ink-5,          #AAAAAA);

    --border:         var(--nf-border,         #ECECEC);
    --border-strong:  var(--nf-border-strong,  #D6D6D6);

    --success:        #17B26A;
    --success-soft:   #E6F7EE;
    --success-ink:    #0F7A45;
    --danger:         #E63946;
    --danger-soft:    #FCE6E8;
    --danger-ink:     #9B1F2A;
    --info:           #3D7EFF;
    --info-soft:      #E6EDFF;
    --info-ink:       #1F4FB8;
    --warn:           #FFB133;
    --warn-soft:      #FFF3E0;
    --warn-ink:       #8A5A00;

    --font-display:   'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-sans:      'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono:      ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 999px;

    --row-pad-y: 14px;
    --row-pad-x: 18px;
    --card-pad: 24px;

    --dur-fast: 120ms;
    --dur-base: 180ms;
    --dur-slow: 280ms;
    --ease: cubic-bezier(0.2, 0, 0, 1);

    --shadow-xs: 0 1px 0 rgba(16,18,23,0.04);
    --shadow-md: 0 4px 12px rgba(16,18,23,0.06), 0 1px 2px rgba(16,18,23,0.04);
}

/* The wizard runs in its own visual world — wrap reset on the container. */
.app-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--ink);
    background: var(--bg);
    font-size: 15px;
    line-height: 1.55;
}
.app-shell *,
.app-shell *::before,
.app-shell *::after { box-sizing: border-box; }
.app-shell h1, .app-shell h2, .app-shell h3, .app-shell h4, .app-shell p { margin: 0; }
.app-shell button, .app-shell input { font-family: inherit; }

.app-shell .eyebrow {
    font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--ink-4);
}

/* Buttons */
.app-shell .btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px; border-radius: var(--radius-md);
    font-size: 14px; font-weight: 600; line-height: 1;
    border: 1px solid transparent; background: transparent;
    cursor: pointer; transition: background var(--dur-fast) var(--ease),
                                  border-color var(--dur-fast) var(--ease),
                                  color var(--dur-fast) var(--ease);
    text-decoration: none; color: inherit;
}
.app-shell .btn-primary { background: var(--primary); color: var(--primary-on); }
.app-shell .btn-primary:hover { background: var(--primary-hover); }
.app-shell .btn-primary:disabled { background: var(--ink-5); color: var(--surface); cursor: not-allowed; }
.app-shell .btn-ghost { border-color: var(--border); background: var(--surface); color: var(--ink-2); }
.app-shell .btn-ghost:hover { background: var(--surface-2); border-color: var(--border-strong); }
.app-shell .btn-text { padding: 8px 10px; color: var(--ink-3); }
.app-shell .btn-text:hover { color: var(--ink); background: var(--surface-2); }
.app-shell .btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 6px; }
.app-shell .btn-lg { padding: 14px 22px; font-size: 15px; border-radius: 10px; }

/* Cards / surfaces */
.app-shell .surface {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.app-shell .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--card-pad);
}

/* Pills */
.app-shell .pill {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 12px; padding: 4px 10px;
    border-radius: var(--radius-pill);
    background: var(--surface-2); color: var(--ink-3);
    border: 1px solid var(--border);
    font-weight: 500;
}

.app-shell .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; display: inline-block; }
.app-shell .dot-success { background: var(--success); }

@keyframes nf-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(23,178,106,0.5); }
    70%  { box-shadow: 0 0 0 6px rgba(23,178,106,0); }
    100% { box-shadow: 0 0 0 0 rgba(23,178,106,0); }
}
.app-shell .dot-pulse { animation: nf-pulse 2.4s var(--ease) infinite; }

/* Wizard chrome */
.app-shell .topbar {
    height: 60px; flex: none;
    display: flex; align-items: center; gap: 16px;
    padding: 0 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.app-shell .stepper-rail {
    display: flex; align-items: center; gap: 0;
    padding: 18px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.app-shell .step-pill {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 6px 14px 6px 6px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: var(--surface);
    font-size: 13px; color: var(--ink-3);
    cursor: pointer;
    transition: all var(--dur-fast) var(--ease);
    text-decoration: none;
    white-space: nowrap;
}
.app-shell .step-pill:hover { border-color: var(--border-strong); color: var(--ink-2); }
.app-shell .step-pill .num {
    width: 22px; height: 22px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-mono); font-size: 11px; font-weight: 500;
    background: var(--surface-2); color: var(--ink-3);
    border: 1px solid var(--border);
}
.app-shell .step-pill.is-current { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.app-shell .step-pill.is-current .num { background: var(--primary); color: var(--primary-on); border-color: transparent; }
.app-shell .step-pill.is-done { color: var(--ink); background: var(--surface); }
.app-shell .step-pill.is-done .num { background: var(--ink); color: var(--surface); border-color: transparent; }
.app-shell .step-pill.is-locked { color: var(--ink-5); cursor: default; }
.app-shell .step-pill.is-locked:hover { border-color: var(--border); color: var(--ink-5); }

.app-shell .step-divider {
    width: 12px; height: 1px; background: var(--border-strong);
    margin: 0 4px; display: inline-block;
}

.app-shell .work {
    flex: 1; padding: 32px 24px 80px;
    background: var(--bg);
    overflow: auto;
}
.app-shell .work-inner { max-width: 1080px; margin: 0 auto; }

.app-shell .page-head { margin-bottom: 24px; }
.app-shell .page-head h1 {
    font-family: var(--font-display);
    font-size: 36px; font-weight: 600;
    letter-spacing: -0.02em; line-height: 1.1;
    color: var(--ink);
}
.app-shell .page-head .lede {
    margin-top: 12px; font-size: 17px; color: var(--ink-3);
    line-height: 1.5; max-width: 720px;
}

.app-shell .action-bar {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 24px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    flex: none;
}
.app-shell .action-bar .reversibility {
    font-size: 12px; color: var(--ink-4); margin-left: 12px;
}

/* Safety badges */
.app-shell .safety {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px; font-weight: 500;
    background: var(--surface-2); color: var(--ink-3);
    border: 1px solid var(--border);
}
.app-shell .safety-readonly     { background: var(--surface-2); color: var(--ink-3); }
.app-shell .safety-write-vendor { background: var(--warn-soft); color: var(--warn-ink); border-color: transparent; }
.app-shell .safety-write-both   { background: var(--info-soft); color: var(--info-ink); border-color: transparent; }

/* Mode picker (step 1) */
.app-shell .mode-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0;
    border: 1px solid var(--border); border-radius: var(--radius-xl);
    background: var(--surface); overflow: hidden;
}
.app-shell .mode-pane {
    padding: 36px 32px 28px;
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column; gap: 18px;
    cursor: pointer;
    transition: background var(--dur-base) var(--ease);
    position: relative;
    background: var(--surface);
    text-align: left;
    border: 0;
    border-right: 1px solid var(--border);
    font: inherit;
    color: inherit;
    width: 100%;
}
.app-shell .mode-pane:last-child { border-right: 0; }
.app-shell .mode-pane:hover { background: var(--surface-2); }
.app-shell .mode-pane.is-selected { background: var(--primary-soft); }
.app-shell .mode-pane.is-disabled { opacity: 0.55; cursor: not-allowed; }
.app-shell .mode-pane.is-disabled:hover { background: var(--surface); }

.app-shell .mode-pane h3 {
    font-family: var(--font-display);
    font-size: 24px; font-weight: 600;
    letter-spacing: -0.01em; line-height: 1.2;
}
.app-shell .mode-pane .sub { font-size: 14px; color: var(--ink-3); font-style: italic; }
.app-shell .mode-pane .body { font-size: 14px; line-height: 1.55; color: var(--ink-2); }
.app-shell .mode-pane__diagram {
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px;
    padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px;
    background: var(--surface-2);
    font-family: var(--font-mono); font-size: 12px; color: var(--ink-3);
}
.app-shell .mode-pane__diagram .arrow { color: var(--ink-4); }

/* Vendor picker (step 2) */
.app-shell .vendor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.app-shell .vendor-tile {
    padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-lg);
    background: var(--surface);
    display: flex; flex-direction: column; gap: 8px;
    cursor: pointer; transition: all var(--dur-fast) var(--ease);
    text-align: left;
    width: 100%;
    text-decoration: none;
    color: inherit;
    font: inherit;
}
.app-shell .vendor-tile:hover { border-color: var(--border-strong); }
.app-shell .vendor-tile.is-selected {
    border-color: var(--primary); background: var(--primary-soft);
    box-shadow: 0 0 0 1px var(--primary) inset;
}
.app-shell .vendor-tile.is-disabled { opacity: 0.45; cursor: not-allowed; }
.app-shell .vendor-tile .logo {
    width: 34px; height: 34px; border-radius: 8px;
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-weight: 700; color: #fff;
    font-size: 18px;
}
.app-shell .vendor-tile .name { font-weight: 600; font-size: 15px; }
.app-shell .vendor-tile .desc { font-size: 12px; color: var(--ink-4); }

/* Stat tile (step 3) */
.app-shell .stat {
    padding: 18px 20px; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.app-shell .stat .label { font-size: 12px; color: var(--ink-4); margin-bottom: 6px; }
.app-shell .stat .value { font-family: var(--font-mono); font-size: 28px;
    letter-spacing: -0.01em; color: var(--ink); line-height: 1; }
.app-shell .stat .sub { font-size: 11px; color: var(--ink-4); margin-top: 6px;
    font-family: var(--font-mono); }

/* Banners */
.app-shell .banner {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 14px 16px; border-radius: var(--radius-lg);
    background: var(--surface-2); border: 1px solid var(--border);
    font-size: 13px; color: var(--ink-2); line-height: 1.5;
}
.app-shell .banner-info    { background: var(--info-soft);    border-color: transparent; color: var(--info-ink); }
.app-shell .banner-warn    { background: var(--warn-soft);    border-color: transparent; color: var(--warn-ink); }
.app-shell .banner-danger  { background: var(--danger-soft);  border-color: transparent; color: var(--danger-ink); }
.app-shell .banner-success { background: var(--success-soft); border-color: transparent; color: var(--success-ink); }

@keyframes nf-fadeup {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}
.app-shell .fade-in { animation: nf-fadeup var(--dur-slow) var(--ease); }

/* Coming Soon stub frame */
.app-shell .coming-soon {
    padding: 60px 32px;
    text-align: center;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-xl);
    background: var(--surface);
    color: var(--ink-3);
}
.app-shell .coming-soon__title {
    font-family: var(--font-display);
    font-size: 22px; font-weight: 600;
    color: var(--ink); letter-spacing: -0.01em;
}
.app-shell .coming-soon__body {
    margin-top: 10px; font-size: 14px; color: var(--ink-3); line-height: 1.55;
    max-width: 560px; margin-left: auto; margin-right: auto;
}

/* ==========================================================
   Mobile (≤720px) — stack grids, shrink chrome.
   ========================================================== */
@media (max-width: 720px) {
    .app-shell .topbar {
        height: auto; flex-wrap: wrap; gap: 10px;
        padding: 12px 16px;
    }
    .app-shell .topbar > a { font-size: 14px; }
    .app-shell .topbar > div[style*="flex:1"] { display: none; }

    .app-shell .stepper-rail {
        padding: 12px 16px; gap: 6px;
    }
    .app-shell .step-pill { padding: 4px 10px 4px 4px; font-size: 12px; }
    .app-shell .step-pill .num { width: 18px; height: 18px; font-size: 10px; }
    .app-shell .step-divider { width: 6px; margin: 0 2px; }

    .app-shell .work { padding: 18px 16px 64px; }
    .app-shell .page-head h1 { font-size: 24px; }
    .app-shell .page-head .lede { font-size: 15px; }

    .app-shell .mode-grid { grid-template-columns: 1fr; }
    .app-shell .mode-pane {
        padding: 24px 20px; border-right: 0;
        border-bottom: 1px solid var(--border);
    }
    .app-shell .mode-pane:last-child { border-bottom: 0; }
    .app-shell .mode-pane h3 { font-size: 20px; }

    .app-shell .vendor-grid { grid-template-columns: 1fr; }

    .app-shell .coming-soon { padding: 32px 18px; }
    .app-shell .coming-soon__title { font-size: 18px; }
}

@media (min-width: 721px) and (max-width: 980px) {
    .app-shell .vendor-grid { grid-template-columns: repeat(2, 1fr); }
}