:root {
    --primary-color:   #0a192f;
    --secondary-color: #172a45;
    --accent-color:    #0066ff;
    --accent-hover:    #0052cc;
    --text-color:      #172b4d;
    --text-muted:      #5e6c84;
    --bg-color:        #f0f2f5;
    --card-bg:         #ffffff;
    --border-color:    #dfe1e6;
    --success:         #36b37e;
    --danger:          #ff5630;
    --warning:         #ffab00;
    --shadow:          0 2px 8px rgba(0,0,0,0.07);
    --shadow-md:       0 4px 16px rgba(0,0,0,0.10);
    --radius:          10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    overflow: hidden;
}

/* ══════════════════════════════════════
   LOGIN
══════════════════════════════════════ */
#login-overlay {
    position: fixed; inset: 0;
    background: var(--primary-color);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    background: white;
    padding: 2.5rem;
    border-radius: 14px;
    width: 100%; max-width: 400px;
    text-align: center;
    box-shadow: 0 24px 60px rgba(0,0,0,0.35);
    color: var(--text-color);
}

.login-logo   { max-height: 60px; margin-bottom: 1.5rem; }
.login-input  { width: 100%; padding: 0.8rem; margin-bottom: 1rem; border: 1px solid var(--border-color); border-radius: 6px; font-size: 1rem; }

/* ══════════════════════════════════════
   LAYOUT
══════════════════════════════════════ */
.app-container { display: flex; width: 100%; height: 100vh; overflow: hidden; }

/* Sidebar */
.sidebar {
    width: 240px; flex-shrink: 0;
    background: var(--primary-color);
    color: white;
    display: flex; flex-direction: column;
    padding: 1.5rem;
    border-right: 1px solid rgba(255,255,255,0.07);
}

.brand {
    display: flex; align-items: center; gap: 0.75rem;
    margin-bottom: 2rem;
    font-weight: 700; font-size: 1rem; letter-spacing: 0.01em;
}

.brand-logo { height: 30px; width: auto; }

nav { display: flex; flex-direction: column; gap: 0.25rem; }

.nav-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.7rem 0.9rem;
    border-radius: 8px;
    cursor: pointer;
    color: rgba(255,255,255,0.65);
    font-size: 0.9rem; font-weight: 500;
    transition: background 0.15s, color 0.15s;
    user-select: none;
}

.nav-item:hover        { background: rgba(255,255,255,0.08); color: white; }
.nav-item.active       { background: var(--accent-color); color: white; }
.nav-icon              { font-size: 1rem; }

.sidebar-footer {
    margin-top: auto;
    font-size: 0.72rem;
    opacity: 0.4;
    line-height: 1.6;
}

/* Main area */
.main-content {
    flex: 1; overflow-y: auto;
    padding: 2rem;
    background: var(--bg-color);
    display: flex; flex-direction: column; gap: 0;
}

.topbar {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 1.75rem;
}

.topbar h1 { font-size: 1.65rem; font-weight: 700; color: var(--primary-color); margin-bottom: 0.2rem; }
.topbar p  { color: var(--text-muted); font-size: 0.9rem; }

/* ══════════════════════════════════════
   TABS
══════════════════════════════════════ */
.tab-content          { display: none; }
.tab-content.active   { display: block; }
.tab-content.hidden   { display: none !important; }
.hidden               { display: none !important; }

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.primary-btn {
    background: var(--accent-color);
    color: white; border: none;
    padding: 0.7rem 1.4rem;
    border-radius: 7px; cursor: pointer;
    font-size: 0.9rem; font-weight: 600;
    display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
    transition: background 0.15s, opacity 0.15s;
    white-space: nowrap;
}
.primary-btn:hover    { background: var(--accent-hover); }
.primary-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.secondary-btn {
    background: white;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.55rem 1rem;
    border-radius: 7px; cursor: pointer;
    font-size: 0.875rem; font-weight: 500;
    transition: border-color 0.15s, background 0.15s;
    white-space: nowrap;
}
.secondary-btn:hover    { border-color: var(--accent-color); }
.secondary-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.action-btn {
    background: white;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.3rem 0.65rem;
    border-radius: 5px; cursor: pointer;
    font-size: 0.8rem; font-weight: 500;
    white-space: nowrap;
    transition: background 0.1s;
}
.action-btn:hover { background: var(--bg-color); }

.link-btn {
    background: none; border: none; padding: 0;
    color: var(--accent-color); cursor: pointer;
    font-size: 0.83rem; text-decoration: underline;
    text-underline-offset: 2px;
}
.link-btn:hover { color: var(--accent-hover); }

/* ══════════════════════════════════════
   FORMS
══════════════════════════════════════ */
.input-group        { display: flex; flex-direction: column; gap: 0.4rem; }
.input-group label  { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

input[type="text"], input[type="password"], select {
    padding: 0.65rem 0.85rem;
    border: 1.5px solid var(--border-color);
    border-radius: 7px;
    font-size: 0.9rem;
    background: white;
    color: var(--text-color);
    transition: border-color 0.15s, box-shadow 0.15s;
    width: 100%;
}
input[type="text"]:focus, input[type="password"]:focus, select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
}

.checkbox-inline {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 0.88rem; color: var(--text-muted);
    cursor: pointer; white-space: nowrap;
    user-select: none;
}

/* ══════════════════════════════════════
   DASHBOARD — STAT CARDS
══════════════════════════════════════ */
.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    padding: 1.4rem 1.6rem;
    box-shadow: var(--shadow);
}

.stat-label {
    font-size: 0.78rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--text-muted); margin-bottom: 0.5rem;
}

.stat-value { font-size: 2.2rem; font-weight: 700; color: var(--primary-color); }

/* ══════════════════════════════════════
   DASHBOARD — SECTION CARD
══════════════════════════════════════ */
.section-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.section-card-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.section-card-header h2 { font-size: 1.05rem; font-weight: 700; }

/* ══════════════════════════════════════
   FILTERS TOOLBAR
══════════════════════════════════════ */
.filters-toolbar {
    display: flex; gap: 0.65rem; flex-wrap: wrap; align-items: center;
    padding: 0.9rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: #fafbfc;
}

.filters-toolbar input,
.filters-toolbar select {
    flex: 1; min-width: 120px;
}

/* ══════════════════════════════════════
   TABLE
══════════════════════════════════════ */
.table-container { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }

thead { position: sticky; top: 0; z-index: 1; }

th {
    background: #f4f5f7;
    padding: 0.8rem 1rem;
    font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--text-muted);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

th.sortable { cursor: pointer; }
th.sortable:hover { color: var(--accent-color); }

td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #f0f1f3;
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbff; }

.contacted-row td { opacity: 0.5; }

.empty-state { text-align: center; padding: 3rem; color: var(--text-muted); }

/* Badges */
.badge-valid {
    display: inline-block;
    background: rgba(54,179,126,0.12); color: var(--success);
    font-size: 0.68rem; font-weight: 700;
    padding: 1px 6px; border-radius: 4px;
}
.badge-risky {
    display: inline-block;
    background: rgba(255,171,0,0.12); color: #b45309;
    font-size: 0.68rem; font-weight: 700;
    padding: 1px 6px; border-radius: 4px;
}
.badge-unverified {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.68rem;
    padding: 1px 6px;
}

.muted-link { color: var(--text-muted); font-size: 0.78rem; text-decoration: none; }
.muted-link:hover { color: var(--accent-color); text-decoration: underline; }
.text-muted { color: var(--text-muted); }

/* Pagination */
.pagination-controls {
    display: flex; justify-content: center; align-items: center;
    gap: 0.75rem; padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}
.page-info-label { font-size: 0.85rem; color: var(--text-muted); min-width: 90px; text-align: center; }

/* ══════════════════════════════════════
   GENERATE LEADS — MODE CARD
══════════════════════════════════════ */
.gl-mode-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.gl-mode-tabs {
    display: flex; gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.gl-mode-btn {
    background: none;
    border: 1.5px solid var(--border-color);
    border-radius: 7px;
    padding: 0.5rem 1.25rem;
    cursor: pointer;
    font-size: 0.88rem; font-weight: 600;
    color: var(--text-muted);
    transition: all 0.15s;
}
.gl-mode-btn:hover:not(.active) { border-color: var(--accent-color); color: var(--accent-color); }
.gl-mode-btn.active { background: var(--accent-color); border-color: var(--accent-color); color: white; }

/* Form panel */
.gl-form-panel {}

.gl-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto auto;
    gap: 1rem;
    align-items: end;
}

.gl-checkbox-wrap { display: flex; align-items: center; padding-bottom: 0.1rem; }

.gl-hint { margin-top: 0.8rem; font-size: 0.8rem; color: var(--text-muted); }

/* ══════════════════════════════════════
   GENERATE LEADS — SPINNER / STATUS
══════════════════════════════════════ */
.gl-status {
    display: flex; align-items: center; gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    font-size: 0.9rem; color: var(--text-muted);
}

.gl-spinner {
    width: 18px; height: 18px; flex-shrink: 0;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════
   GENERATE LEADS — RESULTS TOOLBAR
══════════════════════════════════════ */
.gl-results-toolbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.5rem 0 1rem;
    flex-wrap: wrap; gap: 0.75rem;
}

.gl-results-left { display: flex; align-items: center; gap: 0.65rem; }
.gl-results-left strong { font-size: 0.95rem; color: var(--text-color); }
.gl-divider { color: var(--border-color); }

.gl-results-right { display: flex; align-items: center; gap: 0.65rem; }

.gl-selected-label {
    font-size: 0.82rem; font-weight: 600;
    color: var(--accent-color); min-width: 64px;
}

.export-btn {
    display: inline-flex; align-items: center; gap: 0.35rem;
    background: white;
    border: 1.5px solid var(--border-color);
    color: var(--text-color);
    padding: 0.48rem 1rem;
    border-radius: 7px; cursor: pointer;
    font-size: 0.83rem; font-weight: 600;
    transition: all 0.15s; white-space: nowrap;
}
.export-btn:hover:not(:disabled) { border-color: var(--accent-color); color: var(--accent-color); }
.export-btn.sheets-btn:hover:not(:disabled) { border-color: #16a34a; color: #16a34a; }
.export-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ══════════════════════════════════════
   GENERATE LEADS — RESULTS GRID
══════════════════════════════════════ */
.gl-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

/* ── Lead Card ── */
.lead-card {
    background: var(--card-bg);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem 1.1rem 1.1rem;
    box-shadow: var(--shadow);
    cursor: pointer;
    display: flex; flex-direction: column; gap: 0.55rem;
    transition: border-color 0.15s, box-shadow 0.15s;
    user-select: none;
}
.lead-card:hover {
    border-color: #a3c0ff;
    box-shadow: var(--shadow-md);
}
.lead-card.selected {
    border-color: var(--accent-color);
    background: rgba(0,102,255,0.025);
    box-shadow: 0 0 0 2px rgba(0,102,255,0.18);
}

.lead-card-top {
    display: flex; justify-content: space-between; align-items: flex-start;
}

.lead-checkbox-wrap { display: flex; align-items: center; }
.lead-checkbox {
    width: 16px; height: 16px; cursor: pointer;
    accent-color: var(--accent-color);
}

/* Score badge */
.score-badge {
    font-size: 0.78rem; font-weight: 700;
    padding: 2px 8px; border-radius: 20px;
    min-width: 34px; text-align: center;
}
.score-badge.score-high { background: rgba(54,179,126,0.13); color: #1a7a4a; }
.score-badge.score-med  { background: rgba(245,158,11,0.13);  color: #92400e; }
.score-badge.score-low  { background: rgba(255,86,48,0.12);   color: #b91c1c; }

.lead-card-body { display: flex; flex-direction: column; gap: 0.35rem; }

.lead-biz-name {
    font-weight: 700; font-size: 0.92rem;
    color: var(--text-color); line-height: 1.3;
}

.lead-website {
    font-size: 0.76rem; color: var(--accent-color);
    text-decoration: none; opacity: 0.8;
}
.lead-website:hover { opacity: 1; text-decoration: underline; }

.lead-info-rows { margin-top: 0.3rem; display: flex; flex-direction: column; gap: 0.28rem; }

.lead-info-row {
    display: flex; align-items: baseline; gap: 0.4rem;
    font-size: 0.8rem; color: var(--text-muted); line-height: 1.4;
}

.info-icon { flex-shrink: 0; font-size: 0.75rem; opacity: 0.75; }

/* ══════════════════════════════════════
   GENERATE LEADS — HISTORY
══════════════════════════════════════ */
.gl-history-section { margin-top: 0.5rem; }

.gl-history-title {
    font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--text-muted); margin-bottom: 0.65rem;
}

.gl-history-list {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    max-height: 180px; overflow-y: auto;
}

.history-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid #f0f1f3;
    font-size: 0.83rem;
}
.history-item:last-child { border-bottom: none; }
.history-meta { font-size: 0.78rem; color: var(--text-muted); }

.empty-note { color: var(--text-muted); font-size: 0.83rem; padding: 1rem; text-align: center; }