/* ==========================================================================
   Decision Lab — DEDICATED, SELF-CONTAINED stylesheet.

   This file is the ONLY stylesheet the tool depends on (besides Font Awesome +
   the Inter web font). index1.css is NOT loaded on this page. The :root tokens
   below are a FROZEN COPY of the homepage palette as of 2026-06 — they are not
   referenced from index1.css, so editing the homepage CANNOT affect Decision
   Lab. To restyle this tool, edit only this file. To re-sync with a new
   homepage palette, copy the updated values into the :root block below.
   ========================================================================== */
:root {
    --primary-color: #4F46E5;
    --secondary-color: #7C3AED;
    --accent-primary: #A78BFA;
    --bg-primary: #0D0C1D;
    --bg-secondary: #1A1A2E;
    --text-primary: #FFFFFF;
    --text-secondary: #9CA3AF;
    --text-tertiary: #6B7280;
    --text-headings: #E5E7EB;
    --border-glass: rgba(255, 255, 255, 0.1);
    --border-glass-hover: rgba(255, 255, 255, 0.2);
    --surface-glass: rgba(255, 255, 255, 0.05);
    --surface-glass-hover: rgba(255, 255, 255, 0.08);
    --glass-background: rgba(255, 255, 255, 0.05);
    --glass-background-hover: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.03);
    --dropdown-bg: #0D0C1D;
    --text-color: #FFFFFF;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --transition-speed: 0.3s;
    --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

/* Global reset — every other page ships this via index1.css; the shared nav,
   announcement banner and footer markup assume border-box + zeroed margins, so
   this dedicated stylesheet must provide it too or they render broken. */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

.dl-body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
}

/* ---------- Shared site banner / navigation ---------- */
.banner-container {
    width: 100%;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.banner-content {
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.banner-link {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glass);
    text-align: center;
    font-size: 0.875rem;
    line-height: 1.35;
    transition: opacity 0.3s ease;
}

.banner-link:hover {
    opacity: 0.9;
    color: var(--text-primary);
}

.nav-container {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--surface-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glass);
}

.nav-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    height: 4rem;
}

.nav-logo-link {
    display: inline-flex;
    align-items: center;
    height: 100%;
    padding: 0.25rem 0;
    margin-right: 1rem;
    flex-shrink: 0;
}

.nav-logo-img {
    height: 64px;
    width: auto;
    max-height: calc(100% - 0.5rem);
    transition: height var(--transition-speed) ease;
    display: block;
}

.nav-links,
.auth-buttons {
    display: none;
}

.nav-link {
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-speed), color var(--transition-speed);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--surface-glass-hover);
    color: var(--text-primary);
    text-decoration: none;
}

.nav-link.active {
    border: 1px solid var(--border-glass);
}

.nav-item.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-toggle {
    cursor: pointer;
}

.dropdown-arrow {
    margin-left: 0.4em;
    font-size: 0.7em;
    transition: transform var(--transition-speed) ease;
    display: inline-block;
    vertical-align: middle;
}

.nav-dropdown-menu {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    min-width: 200px;
    padding: 0.5rem 0;
    background: var(--dropdown-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(5px);
    pointer-events: none;
    transition: opacity var(--transition-speed) ease,
                visibility var(--transition-speed) ease,
                transform var(--transition-speed) ease;
}

.nav-item.nav-dropdown:hover > .nav-dropdown-menu,
.nav-item.nav-dropdown:focus-within > .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.nav-item.nav-dropdown:hover > .nav-dropdown-toggle .dropdown-arrow,
.nav-item.nav-dropdown:focus-within > .nav-dropdown-toggle .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-item {
    display: block;
    padding: 0.6rem 1.2rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.nav-dropdown-item:hover,
.nav-dropdown-item:focus,
.nav-dropdown-item.active {
    background-color: var(--surface-glass-hover);
    color: var(--text-primary);
    text-decoration: none;
}

.mobile-menu-button {
    display: block;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 0.5rem;
    cursor: pointer;
    transition: opacity var(--transition-speed);
    z-index: 51;
}

.mobile-menu-button:hover {
    opacity: 0.8;
}

.mobile-menu {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    top: 3.5rem;
    max-height: calc(100vh - 3.5rem);
    background: var(--bg-primary);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem 0;
    overflow-y: auto;
    transform: translateY(-100%);
    transition: transform var(--transition-speed) ease-out;
    z-index: 49;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.mobile-menu.active {
    transform: translateY(0);
    display: block;
}

.mobile-menu .nav-link:not(.sub-link),
.mobile-menu .mobile-submenu-toggle {
    display: block;
    padding: 0.9rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-glass);
    text-decoration: none;
    font-size: 1rem;
    width: 100%;
    color: var(--text-primary);
}

.mobile-menu > *:not(.mobile-menu-section):not(.auth-buttons-mobile):last-of-type,
.mobile-menu .mobile-menu-section:last-of-type > .mobile-submenu-toggle {
    border-bottom: none;
}

.mobile-submenu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-submenu-toggle .dropdown-arrow {
    transition: transform var(--transition-speed) ease;
    font-size: 0.9em;
}

.mobile-submenu-toggle[aria-expanded="true"] .dropdown-arrow {
    transform: rotate(180deg);
}

.mobile-submenu {
    background-color: rgba(0, 0, 0, 0.1);
    padding-left: 0;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease-out;
}

.mobile-submenu .sub-link {
    display: block;
    padding: 0.75rem 1.5rem 0.75rem 2.5rem;
    text-align: left;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    text-decoration: none;
}

.mobile-submenu .sub-link:last-child {
    border-bottom: none;
}

.mobile-submenu .sub-link:hover,
.mobile-submenu .sub-link.active {
    background-color: var(--surface-glass);
    color: var(--text-primary);
}

.mobile-menu .auth-buttons-mobile {
    border-top: 1px solid var(--border-glass);
    padding: 1.5rem 1.5rem 1rem;
    margin-top: 1rem;
}

.auth-buttons-mobile {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 0.75rem;
}

.button {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    font: inherit;
    font-size: 0.95rem;
    text-decoration: none;
}

.button-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    border: 1px solid transparent;
}

.button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    color: var(--text-primary);
}

.button-outline {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.button-outline:hover {
    background: var(--surface-glass-hover);
    border-color: var(--border-glass-hover);
    color: var(--text-primary);
}

@media (max-width: 640px) {
    .banner-link {
        font-size: 0.78rem;
        padding: 0.65rem 0.75rem;
    }

    .nav-logo-img {
        height: 52px;
    }
}

@media (min-width: 1024px) {
    .mobile-menu-button,
    .mobile-menu {
        display: none !important;
    }

    .nav-links {
        display: flex;
        gap: 1rem;
        align-items: center;
        margin-left: 1rem;
        margin-right: auto;
    }

    .auth-buttons {
        display: flex;
        gap: 0.75rem;
        align-items: center;
        margin-left: 1rem;
        flex-shrink: 0;
    }

    .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.95rem;
    }

    .nav-content {
        height: 4rem;
    }
}

@media (min-width: 1280px) {
    .nav-content {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .nav-links {
        gap: 1.5rem;
    }
}

.dl-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.25rem 5rem;
}

/* ---------- Buttons ---------- */
.dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.7rem 1.15rem;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease, border-color 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}
.dl-btn-sm { padding: 0.5rem 0.8rem; font-size: 0.85rem; }
.dl-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.dl-btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    box-shadow: 0 8px 20px rgba(91, 61, 245, 0.32);
}
.dl-btn-primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(91, 61, 245, 0.45); color: #fff; }
.dl-btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-glass);
    color: var(--text-primary);
}
.dl-btn-ghost:hover:not(:disabled) { border-color: var(--border-glass-hover); background: rgba(255, 255, 255, 0.08); color: #fff; }
.dl-btn-danger-ghost {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.25);
    color: #fca5a5;
}
.dl-btn-danger-ghost:hover { background: rgba(239, 68, 68, 0.16); color: #fff; }

/* ---------- Shared ---------- */
.dl-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 0.6rem;
}
.dl-sub { color: var(--text-secondary); margin: 0.35rem 0 0; }
h1 { color: var(--text-primary); }

/* ---------- Logged-out gate ---------- */
.dl-gate { display: flex; justify-content: center; padding: 2rem 0; }
.dl-gate-card {
    max-width: 680px;
    text-align: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-2xl);
    padding: 3rem 2.5rem;
    position: relative;
    overflow: hidden;
}
.dl-gate-card h1 { font-size: 2.1rem; font-weight: 800; line-height: 1.18; margin: 0 0 1rem; }
.dl-gate-card p { color: var(--text-secondary); font-size: 1.02rem; line-height: 1.6; }
.dl-gate-points { list-style: none; padding: 0; margin: 1.5rem 0; text-align: left; display: inline-block; }
.dl-gate-points li { display: flex; gap: 0.7rem; align-items: center; padding: 0.4rem 0; color: var(--text-primary); }
.dl-gate-points i { color: var(--accent-primary); width: 1.2rem; }
.dl-gate-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin-top: 1rem; }
.dl-gate-note { font-size: 0.85rem; color: var(--text-tertiary); margin-top: 1.25rem; }

/* ---------- Page head ---------- */
.dl-page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}
.dl-page-head h1 { font-size: 1.9rem; font-weight: 800; margin: 0; }
.dl-head-actions { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.dl-usage-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: 999px;
    padding: 0.5rem 0.9rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.dl-usage-pill i { color: var(--accent-primary); }
.dl-usage-pill span { color: var(--text-primary); font-weight: 700; }

/* ---------- Projects grid ---------- */
.dl-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.1rem;
}
.dl-project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 1.3rem;
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}
.dl-project-card:hover { transform: translateY(-3px); border-color: var(--border-glass-hover); box-shadow: 0 14px 32px rgba(0, 0, 0, 0.35); }
.dl-project-card h3 { font-size: 1.1rem; font-weight: 700; margin: 0; color: var(--text-primary); }
.dl-project-card .dl-pc-q { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.45; flex: 1; }
.dl-pc-meta { display: flex; gap: 0.9rem; flex-wrap: wrap; font-size: 0.8rem; color: var(--text-tertiary); }
.dl-pc-meta span { display: inline-flex; align-items: center; gap: 0.35rem; }
.dl-pc-meta i { color: var(--accent-primary); }
.dl-status {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
}
.dl-status-draft { background: rgba(148,163,184,0.18); color: #cbd5e1; }
.dl-status-analyzing { background: rgba(245,158,11,0.18); color: #fcd34d; }
.dl-status-ready { background: rgba(16,185,129,0.18); color: #6ee7b7; }
.dl-status-brief_generated { background: rgba(99,102,241,0.22); color: #c7d2fe; }

/* ---------- Empty / loading ---------- */
.dl-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3.5rem 1rem;
    color: var(--text-secondary);
}
.dl-empty i { font-size: 2.4rem; color: var(--accent-primary); opacity: 0.7; margin-bottom: 0.8rem; }
.dl-empty h3 { color: var(--text-primary); margin: 0.3rem 0; }
.dl-empty-inline { padding: 2.5rem 1rem; }
.dl-loading { text-align: center; color: var(--text-secondary); padding: 2rem; }
.dl-spinner {
    display: inline-block;
    width: 1.05em; height: 1.05em;
    border: 2px solid rgba(167,139,250,0.25);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: dl-rotate 0.8s linear infinite;
    vertical-align: -2px;
}
.dl-spinner-lg { width: 44px; height: 44px; border-width: 3px; }
@keyframes dl-rotate { to { transform: rotate(360deg); } }

/* ---------- Workspace head ---------- */
.dl-ws-head {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.dl-back {
    background: none; border: none; color: var(--accent-primary);
    cursor: pointer; font: inherit; font-weight: 600; font-size: 0.9rem;
    display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0;
}
.dl-back:hover { color: #fff; }
.dl-ws-title { flex: 1; min-width: 220px; }
.dl-ws-title h1 { font-size: 1.6rem; font-weight: 800; margin: 0.2rem 0 0; }
.dl-ws-question { color: var(--text-secondary); margin: 0.35rem 0 0; font-size: 0.95rem; }
.dl-ws-actions { display: flex; gap: 0.5rem; }

/* ---------- Tabs ---------- */
.dl-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border-glass);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}
.dl-tab {
    background: none; border: none; cursor: pointer; font: inherit;
    color: var(--text-secondary); font-weight: 600; font-size: 0.92rem;
    padding: 0.85rem 1rem; border-bottom: 2px solid transparent;
    display: inline-flex; align-items: center; gap: 0.5rem; white-space: nowrap;
}
.dl-tab:hover { color: var(--text-primary); }
.dl-tab.is-active { color: var(--text-primary); border-bottom-color: var(--accent-primary); }
.dl-tab-count {
    background: rgba(255,255,255,0.08); color: var(--text-secondary);
    border-radius: 999px; font-size: 0.72rem; padding: 0.1rem 0.5rem; font-weight: 700;
}
.dl-tab.is-active .dl-tab-count { background: var(--accent-primary); color: #1a1030; }

.dl-pane { display: none; animation: dl-fade 0.2s ease; }
.dl-pane.is-active { display: block; }
@keyframes dl-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------- Sources / dropzone ---------- */
.dl-dropzone {
    border: 2px dashed var(--border-glass-hover);
    border-radius: var(--radius-xl);
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
    background: rgba(255,255,255,0.02);
}
.dl-dropzone:hover, .dl-dropzone.is-drag { border-color: var(--accent-primary); background: rgba(167,139,250,0.08); }
.dl-dropzone i { font-size: 2.2rem; color: var(--accent-primary); }
.dl-dropzone p { margin: 0.6rem 0 0.3rem; color: var(--text-primary); }
.dl-dz-note { font-size: 0.82rem; color: var(--text-tertiary); }

.dl-doc-list { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 1.25rem; }
.dl-doc {
    display: flex; align-items: center; gap: 0.9rem;
    background: var(--bg-secondary); border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg); padding: 0.9rem 1rem;
}
.dl-doc-icon { font-size: 1.3rem; color: var(--accent-primary); width: 1.5rem; text-align: center; }
.dl-doc-main { flex: 1; min-width: 0; }
.dl-doc-name { font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dl-doc-meta { font-size: 0.8rem; color: var(--text-tertiary); margin-top: 0.15rem; }
.dl-doc-type {
    font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em;
    background: rgba(167,139,250,0.15); color: var(--accent-primary);
    padding: 0.15rem 0.5rem; border-radius: 999px; font-weight: 700;
}
.dl-doc-del { background: none; border: none; color: var(--text-tertiary); cursor: pointer; font-size: 1rem; padding: 0.4rem; }
.dl-doc-del:hover { color: var(--danger-color); }
.dl-doc.is-uploading { opacity: 0.7; }

.dl-analyze-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    margin-top: 1.5rem; padding: 1.1rem 1.25rem;
    background: linear-gradient(135deg, rgba(79,70,229,0.14), rgba(124,58,237,0.14));
    border: 1px solid rgba(167,139,250,0.3); border-radius: var(--radius-xl); flex-wrap: wrap;
}
.dl-analyze-bar strong { display: block; color: var(--text-primary); }
.dl-analyze-bar span { font-size: 0.85rem; color: var(--text-secondary); }

/* ---------- Evidence matrix ---------- */
.dl-matrix-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.dl-filter-chips { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.dl-chip {
    background: rgba(255,255,255,0.04); border: 1px solid var(--border-glass);
    color: var(--text-secondary); border-radius: 999px; padding: 0.4rem 0.85rem;
    font: inherit; font-size: 0.82rem; font-weight: 600; cursor: pointer;
}
.dl-chip:hover { color: var(--text-primary); border-color: var(--border-glass-hover); }
.dl-chip.is-active { background: var(--accent-primary); color: #1a1030; border-color: var(--accent-primary); }

.dl-matrix { display: flex; flex-direction: column; gap: 0.8rem; }
.dl-claim {
    background: var(--bg-secondary); border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg); padding: 1rem 1.1rem;
    border-left: 3px solid var(--border-glass);
}
.dl-claim[data-status="approved"] { border-left-color: var(--success-color); }
.dl-claim[data-status="rejected"] { border-left-color: var(--danger-color); opacity: 0.6; }
.dl-claim[data-status="edited"] { border-left-color: var(--accent-primary); }
.dl-claim-top { display: flex; gap: 0.7rem; align-items: flex-start; }
.dl-claim-body { flex: 1; min-width: 0; }
.dl-claim-text { color: var(--text-primary); font-size: 0.98rem; line-height: 1.5; }
.dl-claim-text[contenteditable="true"] { outline: 1px dashed var(--accent-primary); border-radius: 6px; padding: 0.2rem 0.4rem; }
.dl-claim-tags { display: flex; gap: 0.45rem; flex-wrap: wrap; margin-top: 0.6rem; align-items: center; }
.dl-tag {
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em;
    padding: 0.18rem 0.5rem; border-radius: 999px;
    background: rgba(255,255,255,0.06); color: var(--text-secondary);
}
.dl-tag-type { background: rgba(99,102,241,0.18); color: #c7d2fe; }
.dl-strength { display: inline-flex; align-items: center; gap: 0.3rem; }
.dl-strength select {
    background: rgba(255,255,255,0.06); color: var(--text-primary);
    border: 1px solid var(--border-glass); border-radius: 6px; font: inherit;
    font-size: 0.75rem; padding: 0.15rem 0.35rem;
}
.dl-strength-strong { color: #6ee7b7; }
.dl-strength-moderate { color: #93c5fd; }
.dl-strength-limited { color: #fcd34d; }
.dl-strength-mixed { color: #fdba74; }
.dl-strength-unclear { color: var(--text-tertiary); }

.dl-sources-line { margin-top: 0.7rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.dl-source-chip {
    display: inline-flex; align-items: center; gap: 0.35rem;
    background: rgba(167,139,250,0.1); border: 1px solid rgba(167,139,250,0.25);
    color: var(--accent-primary); border-radius: 999px; padding: 0.25rem 0.6rem;
    font-size: 0.76rem; cursor: pointer; font-weight: 600;
}
.dl-source-chip:hover { background: rgba(167,139,250,0.2); }
.dl-no-source { font-size: 0.76rem; color: var(--text-tertiary); font-style: italic; }

.dl-claim-actions { display: flex; flex-direction: column; gap: 0.4rem; }
.dl-icon-btn {
    background: rgba(255,255,255,0.05); border: 1px solid var(--border-glass);
    color: var(--text-secondary); width: 34px; height: 34px; border-radius: 8px;
    cursor: pointer; display: inline-flex; align-items: center; justify-content: center; font-size: 0.85rem;
}
.dl-icon-btn:hover { color: #fff; border-color: var(--border-glass-hover); }
.dl-icon-btn.is-approve.on { background: var(--success-color); color: #fff; border-color: var(--success-color); }
.dl-icon-btn.is-reject.on { background: var(--danger-color); color: #fff; border-color: var(--danger-color); }

/* ---------- Gaps & risks ---------- */
.dl-gaps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; }
.dl-gap-col {
    background: var(--bg-secondary); border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl); padding: 1.1rem 1.2rem;
}
.dl-gap-col h3 { font-size: 1rem; margin: 0 0 0.8rem; display: flex; align-items: center; gap: 0.5rem; }
.dl-gap-col[data-kind="assumption"] h3 i { color: #93c5fd; }
.dl-gap-col[data-kind="gap"] h3 i { color: #fcd34d; }
.dl-gap-col[data-kind="risk"] h3 i { color: #fca5a5; }
.dl-gap-col[data-kind="option"] h3 i { color: #6ee7b7; }
.dl-gap-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.dl-gap-col li { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.45; padding-left: 1rem; position: relative; }
.dl-gap-col li::before { content: '–'; position: absolute; left: 0; color: var(--accent-primary); }
.dl-gap-empty { color: var(--text-tertiary); font-size: 0.85rem; font-style: italic; }

/* ---------- Brief ---------- */
.dl-brief-controls { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.dl-brief-controls label { color: var(--text-secondary); font-size: 0.9rem; font-weight: 600; }
.dl-brief-controls select {
    background: var(--bg-secondary); color: var(--text-primary);
    border: 1px solid var(--border-glass); border-radius: var(--radius-md);
    font: inherit; padding: 0.6rem 0.8rem;
}
.dl-brief-hint { font-size: 0.85rem; color: var(--text-tertiary); margin: 0.25rem 0 1.25rem; }
.dl-brief-history { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.dl-brief-hist-item {
    display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
    background: var(--bg-secondary); border: 1px solid var(--border-glass);
    border-radius: var(--radius-md); padding: 0.7rem 0.95rem; cursor: pointer;
}
.dl-brief-hist-item:hover { border-color: var(--border-glass-hover); }
.dl-brief-hist-item .dl-bh-meta { font-size: 0.8rem; color: var(--text-tertiary); }

.dl-brief-doc {
    background: var(--bg-secondary); border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl); padding: 1.5rem 1.75rem;
}
.dl-brief-doc-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; border-bottom: 1px solid var(--border-glass); padding-bottom: 1rem; }
.dl-brief-doc-bar h2 { font-size: 1.3rem; margin: 0; }
.dl-brief-doc-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.dl-brief-body { line-height: 1.65; color: var(--text-secondary); }
.dl-brief-body h2 { color: var(--accent-primary); font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }
.dl-brief-body p { margin: 0.5rem 0; }
.dl-brief-bottomline {
    background: rgba(99,102,241,0.1); border: 1px solid rgba(167,139,250,0.25);
    border-radius: var(--radius-lg); padding: 0.9rem 1.1rem; margin-bottom: 0.5rem; color: var(--text-primary);
}
.dl-brief-bottomline p { display: inline; }
.dl-cite {
    display: inline-flex; align-items: center; gap: 0.25rem;
    background: rgba(167,139,250,0.14); color: var(--accent-primary);
    border-radius: 5px; padding: 0.02rem 0.35rem; font-size: 0.78rem; font-weight: 600;
    cursor: help; vertical-align: baseline; margin: 0 0.1rem;
}
.dl-cite i { font-size: 0.65rem; }

/* ---------- Verification ---------- */
.dl-verification { margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.6rem; }
.dl-verif-summary { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.dl-verif-pill { font-size: 0.78rem; font-weight: 700; padding: 0.3rem 0.7rem; border-radius: 999px; }
.dl-verif-pill.ok { background: rgba(16,185,129,0.18); color: #6ee7b7; }
.dl-verif-pill.warn { background: rgba(245,158,11,0.18); color: #fcd34d; }
.dl-verif-pill.bad { background: rgba(239,68,68,0.18); color: #fca5a5; }
.dl-verif-flag {
    border-left: 3px solid var(--warning-color);
    background: rgba(245,158,11,0.08); border-radius: 0 8px 8px 0;
    padding: 0.7rem 0.9rem; font-size: 0.88rem;
}
.dl-verif-flag.bad { border-left-color: var(--danger-color); background: rgba(239,68,68,0.08); }
.dl-verif-flag .dl-vf-verdict { font-weight: 700; text-transform: capitalize; }
.dl-verif-flag .dl-vf-text { color: var(--text-tertiary); font-style: italic; margin: 0.25rem 0; }
.dl-verif-flag .dl-vf-sugg { color: var(--text-secondary); }

/* ---------- Modals ---------- */
.dl-modal-overlay {
    position: fixed; inset: 0; background: rgba(8, 8, 18, 0.72);
    backdrop-filter: blur(4px); z-index: 100000;
    display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.dl-modal {
    background: var(--bg-secondary); border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl); padding: 1.75rem; width: 100%; max-width: 480px;
    position: relative; animation: dl-pop 0.2s ease;
}
.dl-modal-wide { max-width: 640px; max-height: 85vh; overflow-y: auto; }
@keyframes dl-pop { from { transform: translateY(10px) scale(0.98); opacity: 0; } to { transform: none; opacity: 1; } }
.dl-modal h2 { margin: 0 0 1.2rem; font-size: 1.25rem; }
.dl-modal-close { position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: var(--text-tertiary); font-size: 1.1rem; cursor: pointer; }
.dl-modal-close:hover { color: #fff; }
.dl-field { display: block; margin-bottom: 1rem; }
.dl-field > span { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.4rem; }
.dl-field small { font-weight: 400; color: var(--text-tertiary); }
.dl-field input, .dl-field textarea, .dl-field select {
    width: 100%; background: rgba(255,255,255,0.04); color: var(--text-primary);
    border: 1px solid var(--border-glass); border-radius: var(--radius-md);
    padding: 0.7rem 0.85rem; font: inherit; resize: vertical;
}
.dl-field input:focus, .dl-field textarea:focus, .dl-field select:focus { outline: none; border-color: var(--accent-primary); }
.dl-modal-actions { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 1.25rem; }

/* Source viewer modal */
.dl-src-item { border: 1px solid var(--border-glass); border-radius: var(--radius-lg); padding: 1rem; margin-bottom: 0.85rem; }
.dl-src-doc { font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 0.5rem; }
.dl-src-doc i { color: var(--accent-primary); }
.dl-src-support { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.03em; font-weight: 700; padding: 0.12rem 0.5rem; border-radius: 999px; margin-left: auto; }
.dl-src-support.supports { background: rgba(16,185,129,0.18); color: #6ee7b7; }
.dl-src-support.partial { background: rgba(245,158,11,0.18); color: #fcd34d; }
.dl-src-support.contradicts { background: rgba(239,68,68,0.18); color: #fca5a5; }
.dl-src-support.caveat, .dl-src-support.background { background: rgba(148,163,184,0.18); color: #cbd5e1; }
.dl-src-quote { margin-top: 0.6rem; border-left: 3px solid var(--accent-primary); padding: 0.5rem 0.9rem; color: var(--text-secondary); font-style: italic; line-height: 1.55; }

/* ---------- Toast + busy ---------- */
.dl-toast {
    position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
    background: var(--bg-secondary); border: 1px solid var(--border-glass);
    color: var(--text-primary); padding: 0.8rem 1.2rem; border-radius: var(--radius-lg);
    z-index: 100001; box-shadow: 0 12px 30px rgba(0,0,0,0.4); font-size: 0.9rem;
    max-width: 90vw;
}
.dl-toast.is-error { border-color: rgba(239,68,68,0.4); }
.dl-toast.is-success { border-color: rgba(16,185,129,0.4); }
.dl-overlay-busy {
    position: fixed; inset: 0; background: rgba(8,8,18,0.8); backdrop-filter: blur(5px);
    z-index: 100002; display: flex; align-items: center; justify-content: center;
}
.dl-busy-card { text-align: center; color: var(--text-primary); max-width: 360px; padding: 2rem; }
.dl-busy-card p { font-weight: 600; margin: 1rem 0 0.3rem; }
.dl-busy-sub { color: var(--text-secondary); font-size: 0.88rem; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .dl-main { padding: 1.25rem 0.9rem 5rem; }
    .dl-gate-card { padding: 2rem 1.25rem; }
    .dl-gate-card h1 { font-size: 1.6rem; }
    .dl-claim-top { flex-direction: column; }
    .dl-claim-actions { flex-direction: row; }
    .dl-brief-doc { padding: 1.1rem; }
}