/* Swarmline — core styles
 * Vanilla CSS. Rubik font, neutral palette, minimal chrome.
 */

/* -----------------------------------------------------------------------------
 * Reset + base
 * -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Rubik', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    font-size: 15px;
    color: #1f2430;
    background: #f6f7fb;
    -webkit-font-smoothing: antialiased;
}

a { color: #2b6fd8; text-decoration: none; }
a:hover { text-decoration: underline; }

button { font-family: inherit; font-size: inherit; cursor: pointer; }

/* -----------------------------------------------------------------------------
 * Color tokens
 * -------------------------------------------------------------------------- */
:root {
    --sl-bg:          #f6f7fb;
    --sl-surface:     #ffffff;
    --sl-surface-alt: #f0f2f8;
    --sl-border:      #dfe3ed;
    --sl-border-soft: #eaedf4;
    --sl-text:        #1f2430;
    --sl-text-soft:   #5b6374;
    --sl-text-muted:  #8891a3;

    --sl-primary:     #2b6fd8;
    --sl-primary-dk:  #1e57b3;
    --sl-primary-lt:  #e5efff;

    --sl-danger:      #d64545;
    --sl-danger-lt:   #fceaea;
    --sl-warn:        #d99a26;
    --sl-warn-lt:     #fbf1dc;
    --sl-ok:          #2e9d6a;
    --sl-ok-lt:       #e0f5ea;
    --sl-info:        #3a7cce;
    --sl-info-lt:     #e5eefa;

    --sl-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --sl-shadow:    0 4px 12px rgba(15, 23, 42, 0.08);
    --sl-shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.18);

    --sl-radius:    8px;
    --sl-radius-sm: 4px;
    --sl-radius-lg: 12px;
}

/* -----------------------------------------------------------------------------
 * Layout primitives
 * -------------------------------------------------------------------------- */
.sl-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.sl-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 24px;
    background: var(--sl-surface);
    border-bottom: 1px solid var(--sl-border);
    box-shadow: var(--sl-shadow-sm);
    position: sticky;
    top: 0;
    z-index: 10;
}

.sl-topbar-brand {
    font-weight: 600;
    font-size: 18px;
    letter-spacing: -0.01em;
    color: var(--sl-text);
}
.sl-topbar-brand span { color: var(--sl-primary); }

.sl-topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--sl-text-soft);
    font-size: 14px;
}

.sl-main {
    flex: 1;
    padding: 24px;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.sl-card {
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    box-shadow: var(--sl-shadow-sm);
    padding: 20px;
}

.sl-card + .sl-card { margin-top: 16px; }

.sl-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}
.sl-card-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

/* Centered card for login/register */
.sl-auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.sl-auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius-lg);
    box-shadow: var(--sl-shadow);
    padding: 32px;
}
.sl-auth-card h1 {
    margin: 0 0 4px;
    font-size: 24px;
    font-weight: 600;
}
.sl-auth-card .sl-sub {
    color: var(--sl-text-soft);
    font-size: 14px;
    margin-bottom: 24px;
}
.sl-auth-footer {
    margin-top: 20px;
    text-align: center;
    color: var(--sl-text-soft);
    font-size: 14px;
}

/* -----------------------------------------------------------------------------
 * Forms
 * -------------------------------------------------------------------------- */
.sl-form-row { margin-bottom: 14px; }
.sl-form-row label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--sl-text-soft);
    margin-bottom: 6px;
}
.sl-form-row input[type="text"],
.sl-form-row input[type="email"],
.sl-form-row input[type="password"],
.sl-form-row input[type="number"],
.sl-form-row textarea,
.sl-form-row select,
input.sl-input,
textarea.sl-input,
select.sl-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius-sm);
    background: var(--sl-surface);
    font-family: inherit;
    font-size: 14px;
    color: var(--sl-text);
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.sl-form-row input:focus,
.sl-form-row textarea:focus,
.sl-form-row select:focus,
input.sl-input:focus,
textarea.sl-input:focus {
    outline: none;
    border-color: var(--sl-primary);
    box-shadow: 0 0 0 3px var(--sl-primary-lt);
}

.sl-form-row textarea { min-height: 120px; resize: vertical; }

.sl-field-error { border-color: var(--sl-danger) !important; }
.sl-field-error-msg {
    color: var(--sl-danger);
    font-size: 12px;
    margin-top: 4px;
}

.sl-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* -----------------------------------------------------------------------------
 * Buttons
 * -------------------------------------------------------------------------- */
.sl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--sl-radius-sm);
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
    background: var(--sl-surface-alt);
    color: var(--sl-text);
    border-color: var(--sl-border);
}
.sl-btn:hover:not(:disabled) { background: #e7ebf3; }
.sl-btn:disabled { opacity: 0.55; cursor: not-allowed; }

.sl-btn-primary {
    background: var(--sl-primary);
    color: #fff;
    border-color: var(--sl-primary);
}
.sl-btn-primary:hover:not(:disabled) { background: var(--sl-primary-dk); border-color: var(--sl-primary-dk); }

.sl-btn-danger {
    background: var(--sl-surface);
    color: var(--sl-danger);
    border-color: var(--sl-danger);
}
.sl-btn-danger:hover:not(:disabled) { background: var(--sl-danger-lt); }

.sl-btn-link {
    background: transparent;
    border: none;
    color: var(--sl-primary);
    padding: 4px 6px;
}
.sl-btn-link:hover { text-decoration: underline; }

.sl-btn-block { width: 100%; }
.sl-btn-loading::after {
    content: '';
    width: 12px; height: 12px;
    margin-left: 8px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    display: inline-block;
    animation: sl-spin 0.8s linear infinite;
}
@keyframes sl-spin { to { transform: rotate(360deg); } }

/* -----------------------------------------------------------------------------
 * Status badges
 * -------------------------------------------------------------------------- */
.sl-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    background: #e7ebf3;
    color: var(--sl-text-soft);
    border: 1px solid transparent;
    white-space: nowrap;
}
.sl-badge-created   { background: #e7ebf3; color: #5b6374; }
.sl-badge-pending   { background: #e7ebf3; color: #5b6374; }
.sl-badge-running   { background: var(--sl-info-lt); color: var(--sl-info); }
.sl-badge-awaiting_input { background: var(--sl-warn-lt); color: var(--sl-warn); }
.sl-badge-completed { background: var(--sl-ok-lt); color: var(--sl-ok); }
.sl-badge-failed    { background: var(--sl-danger-lt); color: var(--sl-danger); }
.sl-badge-cancelled { background: #e4e8ef; color: #64748b; }

/* Pulsing dot for running */
.sl-badge-running::before {
    content: '';
    display: inline-block;
    width: 7px; height: 7px;
    margin-right: 6px;
    border-radius: 50%;
    background: var(--sl-info);
    vertical-align: middle;
    animation: sl-pulse 1.4s ease-in-out infinite;
}
@keyframes sl-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.4; transform: scale(1.4); }
}

/* -----------------------------------------------------------------------------
 * Tables
 * -------------------------------------------------------------------------- */
.sl-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.sl-table th, .sl-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--sl-border-soft);
    vertical-align: middle;
}
.sl-table th {
    font-size: 12px;
    font-weight: 500;
    color: var(--sl-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: #fafbfe;
}
.sl-table tr:hover td { background: #fafbfe; }
.sl-table .sl-num { text-align: right; font-variant-numeric: tabular-nums; }
.sl-table a { color: inherit; }
.sl-table .sl-row-link { cursor: pointer; }

.sl-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    gap: 12px;
}
.sl-pagination .sl-page-info {
    color: var(--sl-text-muted);
    font-size: 13px;
}

.sl-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--sl-text-muted);
}

/* -----------------------------------------------------------------------------
 * Toasts
 * -------------------------------------------------------------------------- */
.sl-toast-host {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 380px;
}
.sl-toast {
    background: var(--sl-text);
    color: #fff;
    padding: 10px 14px;
    border-radius: var(--sl-radius-sm);
    box-shadow: var(--sl-shadow);
    font-size: 14px;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.sl-toast-in  { opacity: 1; transform: translateY(0); }
.sl-toast-out { opacity: 0; transform: translateY(-8px); }
.sl-toast-success { background: var(--sl-ok); }
.sl-toast-error   { background: var(--sl-danger); }
.sl-toast-warn    { background: var(--sl-warn); }
.sl-toast-info    { background: var(--sl-info); }

/* -----------------------------------------------------------------------------
 * Session page — 3-pane layout
 * -------------------------------------------------------------------------- */
.sl-session-header {
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    padding: 16px 20px;
    margin-bottom: 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.sl-session-title { font-size: 18px; font-weight: 600; margin: 0; }
.sl-session-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 4px;
    color: var(--sl-text-soft);
    font-size: 13px;
}
.sl-session-meta b { color: var(--sl-text); font-weight: 500; }

.sl-session-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 16px;
}

/* -----------------------------------------------------------------------------
 * Event log timeline
 * -------------------------------------------------------------------------- */
.sl-log-wrap {
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 220px);
    min-height: 420px;
}
.sl-log-head {
    padding: 12px 16px;
    border-bottom: 1px solid var(--sl-border-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fafbfe;
}
.sl-log-head h3 { margin: 0; font-size: 14px; font-weight: 600; }
.sl-log-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
    scroll-behavior: smooth;
}
.sl-log-event {
    display: grid;
    grid-template-columns: 40px 72px 1fr;
    align-items: flex-start;
    gap: 8px;
    padding: 6px 16px;
    border-left: 3px solid transparent;
    font-size: 13px;
    line-height: 1.5;
}
.sl-log-event:hover { background: #fafbfe; }
.sl-log-icon {
    font-size: 14px;
    color: var(--sl-text-muted);
    text-align: center;
    padding-top: 1px;
}
.sl-log-time {
    font-size: 11px;
    color: var(--sl-text-muted);
    font-variant-numeric: tabular-nums;
    padding-top: 2px;
}
.sl-log-body { color: var(--sl-text); word-wrap: break-word; }
.sl-log-body small { color: var(--sl-text-muted); }

.sl-log-phase {
    border-top: 1px solid var(--sl-border);
    margin-top: 4px;
    padding-top: 10px;
    font-weight: 600;
    color: var(--sl-text);
}
.sl-log-phase .sl-log-body { font-size: 14px; }

.sl-log-warn    { border-left-color: var(--sl-warn); background: var(--sl-warn-lt); }
.sl-log-warn .sl-log-icon { color: var(--sl-warn); }
.sl-log-error   { border-left-color: var(--sl-danger); background: var(--sl-danger-lt); }
.sl-log-error .sl-log-icon { color: var(--sl-danger); }
.sl-log-success { border-left-color: var(--sl-ok); }
.sl-log-success .sl-log-icon { color: var(--sl-ok); }
.sl-log-info    { border-left-color: transparent; }
.sl-log-debug   { color: var(--sl-text-muted); }
.sl-log-debug .sl-log-body { color: var(--sl-text-muted); }

.sl-log-newbadge {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--sl-primary);
    color: #fff;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--sl-shadow);
    border: none;
    display: none;
}
.sl-log-newbadge.sl-show { display: block; }

.sl-progress-bar {
    background: var(--sl-border-soft);
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
}
.sl-progress-bar > span {
    display: block;
    height: 100%;
    background: var(--sl-primary);
    transition: width 0.3s ease;
}

/* -----------------------------------------------------------------------------
 * Right pane (question + deliverable)
 * -------------------------------------------------------------------------- */
.sl-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.sl-side-card {
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    padding: 16px;
}
.sl-side-card h3 {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 600;
}
.sl-side-card p { color: var(--sl-text-soft); font-size: 13px; margin: 6px 0; }

.sl-question-card {
    border: 1px solid var(--sl-primary);
    background: #fbfcff;
    box-shadow: 0 0 0 4px var(--sl-primary-lt);
}
.sl-question-prompt {
    font-size: 14px;
    color: var(--sl-text);
    margin-bottom: 12px;
    white-space: pre-wrap;
}
.sl-question-context {
    background: var(--sl-surface-alt);
    border-radius: var(--sl-radius-sm);
    padding: 10px 12px;
    font-size: 12px;
    color: var(--sl-text-soft);
    margin-bottom: 12px;
    white-space: pre-wrap;
    max-height: 180px;
    overflow-y: auto;
}
.sl-question-choices {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}
.sl-question-choices label {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    padding: 8px 10px;
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius-sm);
    cursor: pointer;
    background: var(--sl-surface);
    font-size: 13px;
}
.sl-question-choices label:hover { background: var(--sl-surface-alt); }
.sl-question-choices input { margin-top: 3px; }

.sl-yes-no { display: flex; gap: 8px; }
.sl-yes-no .sl-btn { flex: 1; }

/* -----------------------------------------------------------------------------
 * Upload dropzone
 * -------------------------------------------------------------------------- */
.sl-dropzone {
    border: 2px dashed var(--sl-border);
    border-radius: var(--sl-radius);
    padding: 28px;
    text-align: center;
    background: #fafbfe;
    color: var(--sl-text-soft);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.sl-dropzone:hover, .sl-dropzone.sl-drag {
    border-color: var(--sl-primary);
    background: var(--sl-primary-lt);
    color: var(--sl-primary-dk);
}
.sl-dropzone strong { display: block; color: var(--sl-text); margin-bottom: 4px; }

.sl-source-list {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.sl-source-row {
    display: grid;
    grid-template-columns: 1fr 200px auto;
    gap: 8px;
    align-items: center;
    padding: 8px 10px;
    background: var(--sl-surface-alt);
    border-radius: var(--sl-radius-sm);
    font-size: 13px;
}
.sl-source-row .sl-source-file { font-weight: 500; }
.sl-source-row .sl-source-id input { width: 100%; font-size: 12px; padding: 4px 8px; }
.sl-source-row.sl-uploading { opacity: 0.7; }

/* -----------------------------------------------------------------------------
 * Deliverable
 * -------------------------------------------------------------------------- */
.sl-deliverable {
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    padding: 16px;
}
.sl-deliverable h3 { margin: 0 0 8px; font-size: 15px; font-weight: 600; }
.sl-deliverable .sl-summary {
    white-space: pre-wrap;
    color: var(--sl-text-soft);
    font-size: 14px;
    line-height: 1.55;
    max-height: 220px;
    overflow-y: auto;
    padding: 10px;
    background: var(--sl-surface-alt);
    border-radius: var(--sl-radius-sm);
}

/* -----------------------------------------------------------------------------
 * Error banner (session failed)
 * -------------------------------------------------------------------------- */
.sl-error-banner {
    background: var(--sl-danger-lt);
    border: 1px solid var(--sl-danger);
    color: var(--sl-danger);
    padding: 12px 16px;
    border-radius: var(--sl-radius);
    font-size: 14px;
}

/* -----------------------------------------------------------------------------
 * Responsive
 * -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .sl-session-grid { grid-template-columns: 1fr; }
    .sl-log-wrap { height: auto; min-height: 360px; max-height: 60vh; }
    .sl-grid-2 { grid-template-columns: 1fr; }
    .sl-source-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .sl-main { padding: 16px; }
    .sl-auth-card { padding: 24px; }
    .sl-topbar { padding: 10px 16px; }
    .sl-log-event { grid-template-columns: 28px 56px 1fr; padding: 6px 10px; }
}