/* =====================================================
   SignalIQ Settings - 3 Layer Architecture CSS
   Clean, minimal design with pill tab navigation
   Date: February 5, 2026
   ===================================================== */

/* =====================================================
   CSS VARIABLES - Design Tokens
   ===================================================== */
:root {
    /* Light Mode - Clean white/gray palette */
    --bg: #FAFAFA;
    --surface: #FFFFFF;
    --subtle: #F5F5F5;
    --hover: #EBEBEB;
    --border: #E5E5E5;
    --border-l: #EEEEEE;
    --ink: #18181B;
    --ink2: #52525B;
    --ink3: #71717A;
    --ink4: #A1A1AA;

    /* Dark mode references for components */
    --dark-bg: #09090B;
    --dark-surface: #161618;
    --dark-border: #2a2a2d;
    --dark-text: #FAFAFA;
    --dark-text-muted: #A1A1AA;

    /* Semantic Colors - Brand preserved */
    --amber: #F59E0B;
    --amber-s: #FEF3C7;
    --amber-bg: #FFFBEB;
    --green: #22C55E;
    --green-s: #DCFCE7;
    --green-bg: #F0FDF4;
    --red: #EF4444;
    --red-s: #FEE2E2;
    --red-bg: #FEF2F2;
    --blue: #3B82F6;
    --blue-s: #DBEAFE;
    --blue-bg: #EFF6FF;
    --violet: #8B5CF6;
    --violet-s: #EDE9FE;
    --violet-bg: #F5F3FF;

    /* Layout */
    --r: 14px;
    --rs: 8px;
    --sh: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.02);
}

/* Light Mode - Explicit */
body.light, body:not(.dark) {
    --bg: #FAFAFA;
    --surface: #FFFFFF;
    --subtle: #F5F5F5;
    --hover: #EBEBEB;
    --border: #E5E5E5;
    --border-l: #EEEEEE;
    --ink: #18181B;
    --ink2: #52525B;
    --ink3: #71717A;
    --ink4: #A1A1AA;
    --amber-bg: #FFFBEB;
    --green-bg: #F0FDF4;
    --red-bg: #FEF2F2;
    --blue-bg: #EFF6FF;
    --violet-bg: #F5F3FF;
}

/* Dark Mode Variables */
body.dark {
    --bg: #09090B;
    --surface: #161618;
    --subtle: #1c1c1f;
    --hover: #222225;
    --border: #2a2a2d;
    --border-l: #222224;
    --ink: #FAFAFA;
    --ink2: #E4E4E7;
    --ink3: #A1A1AA;
    --ink4: #71717A;
    --amber-bg: rgba(245, 158, 11, 0.1);
    --green-bg: rgba(34, 197, 94, 0.1);
    --red-bg: rgba(239, 68, 68, 0.1);
    --blue-bg: rgba(59, 130, 246, 0.1);
    --violet-bg: rgba(139, 92, 246, 0.1);
}

/* =====================================================
   BASE STYLES
   ===================================================== */
.settings-3layer * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.settings-3layer {
    font-family: 'Newsreader', Georgia, serif;
    -webkit-font-smoothing: antialiased;
    line-height: 1.55;
}

.settings-3layer .mono {
    font-family: 'IBM Plex Mono', 'SF Mono', 'Consolas', monospace;
}

.settings-3layer .serif {
    font-family: 'Newsreader', Georgia, serif;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes enter {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ringIn {
    from {
        stroke-dashoffset: 264;
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.settings-3layer .anim {
    animation: enter 0.4s ease both;
}

.settings-3layer .d1 { animation-delay: 30ms; }
.settings-3layer .d2 { animation-delay: 60ms; }
.settings-3layer .d3 { animation-delay: 90ms; }
.settings-3layer .d4 { animation-delay: 120ms; }

/* =====================================================
   HOT IQ PREMIUM ANIMATIONS
   ===================================================== */

/* Pulse glow for premium elements */
@keyframes pulse-glow-amber {
    0%, 100% {
        box-shadow: 0 0 20px rgba(249, 115, 22, 0.15);
    }
    50% {
        box-shadow: 0 0 30px rgba(249, 115, 22, 0.25);
    }
}

@keyframes pulse-glow-violet {
    0%, 100% {
        box-shadow: 0 0 20px rgba(124, 58, 237, 0.15);
    }
    50% {
        box-shadow: 0 0 30px rgba(124, 58, 237, 0.25);
    }
}

/* Shimmer effect for platinum tier */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Hot IQ card hover enhancement */
.hot-iq-card {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.hot-iq-card:hover {
    transform: translateY(-3px);
}

/* Confidence meter animation */
.confidence-bar {
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Trigger signal tag hover */
.trigger-tag {
    transition: all 0.15s ease;
}

.trigger-tag:hover {
    transform: scale(1.02);
    border-color: var(--amber);
    color: var(--amber);
}

/* Premium badge shimmer */
.tier-badge-platinum {
    background: linear-gradient(
        90deg,
        rgba(124, 58, 237, 0.15) 0%,
        rgba(168, 85, 247, 0.2) 50%,
        rgba(124, 58, 237, 0.15) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

/* Expand/collapse animation */
.hot-iq-expand {
    animation: slideUp 0.3s ease forwards;
}

/* ==============================================
   SCROLLBAR
   ===================================================== */
.settings-3layer ::-webkit-scrollbar {
    width: 5px;
}

.settings-3layer ::-webkit-scrollbar-track {
    background: transparent;
}

.settings-3layer ::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 9px;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.settings-3layer button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all 0.15s ease;
}

.settings-3layer button:hover {
    transform: translateY(-1px);
}

.settings-3layer button:active {
    transform: translateY(0);
}

/* =====================================================
   TOGGLE SWITCH
   ===================================================== */
.settings-3layer .toggle {
    position: relative;
    width: 40px;
    height: 22px;
    border-radius: 11px;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
}

.settings-3layer .toggle.on {
    background: var(--amber);
}

.settings-3layer .toggle.off {
    background: var(--border);
}

.settings-3layer .toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
    transition: left 0.2s;
}

.settings-3layer .toggle.on::after {
    left: 20px;
}

.settings-3layer .toggle.off::after {
    left: 2px;
}

/* =====================================================
   PILL TABS
   ===================================================== */
.settings-3layer .pill-tabs {
    display: inline-flex;
    gap: 4px;
    padding: 3px;
    background: var(--subtle);
    border-radius: 10px;
    border: 1px solid var(--border-l);
}

.settings-3layer .pill-tab {
    padding: 7px 16px;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink3);
    transition: all 0.15s;
    cursor: pointer;
}

.settings-3layer .pill-tab:hover {
    color: var(--ink2);
}

.settings-3layer .pill-tab.active {
    background: var(--surface);
    color: var(--ink);
    box-shadow: var(--sh);
    font-weight: 600;
}

/* =====================================================
   CARD
   ===================================================== */
.settings-3layer .card {
    background: var(--surface);
    border: 1px solid var(--border-l);
    border-radius: var(--r);
    transition: border-color 0.2s;
}

.settings-3layer .card:hover {
    border-color: var(--border);
}

/* =====================================================
   BADGE
   ===================================================== */
.settings-3layer .badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
}

.settings-3layer .bg { background: var(--green-s); color: var(--green); }
.settings-3layer .ba { background: var(--amber-s); color: var(--amber); }
.settings-3layer .br { background: var(--red-s); color: var(--red); }
.settings-3layer .bb { background: var(--blue-s); color: var(--blue); }
.settings-3layer .bv { background: var(--violet-s); color: var(--violet); }
.settings-3layer .bm { background: var(--subtle); color: var(--ink3); }

/* =====================================================
   CHIP
   ===================================================== */
.settings-3layer .chip {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    background: var(--subtle);
    color: var(--ink2);
    border: 1px solid var(--border-l);
}

/* =====================================================
   SECTION HEADER
   ===================================================== */
.settings-3layer .sh {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.settings-3layer .sh h3 {
    font-size: 16px;
    font-weight: 600;
}

.settings-3layer .sh .ct {
    font-size: 12px;
    color: var(--ink3);
    font-weight: 500;
}

/* =====================================================
   STATS GRID
   ===================================================== */
.settings-3layer .stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.settings-3layer .stat-card {
    padding: 20px 24px;
    text-align: center;
}

.settings-3layer .stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.settings-3layer .stat-label {
    font-size: 13px;
    font-weight: 600;
    margin-top: 6px;
}

.settings-3layer .stat-sub {
    font-size: 11px;
    color: var(--ink3);
    margin-top: 2px;
}

/* =====================================================
   SIGNAL LIST
   ===================================================== */
.settings-3layer .signal-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.settings-3layer .signal-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 10px;
    transition: all 0.15s;
}

.settings-3layer .signal-item.enabled {
    background: var(--subtle);
    border: 1px solid var(--border-l);
}

.settings-3layer .signal-item.disabled {
    background: transparent;
    border: 1px solid transparent;
}

.settings-3layer .signal-item .content {
    flex: 1;
    transition: opacity 0.15s;
}

.settings-3layer .signal-item.disabled .content {
    opacity: 0.5;
}

.settings-3layer .signal-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.settings-3layer .signal-desc {
    font-size: 13px;
    color: var(--ink3);
    line-height: 1.5;
}

/* =====================================================
   SIGNALS GRID (2 columns)
   ===================================================== */
.settings-3layer .signals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.settings-3layer .signals-grid .signal-item {
    align-items: center;
    padding: 10px 14px;
    border-radius: 8px;
}

/* =====================================================
   WEIGHTS SECTION
   ===================================================== */
.settings-3layer .weights-grid {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.settings-3layer .weight-card {
    flex: 1;
    padding: 20px;
    border-radius: 12px;
    background: var(--subtle);
    text-align: center;
}

.settings-3layer .weight-value {
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}

.settings-3layer .weight-label {
    font-size: 14px;
    font-weight: 600;
    margin-top: 8px;
}

.settings-3layer .weight-desc {
    font-size: 12px;
    color: var(--ink3);
    margin-top: 4px;
    line-height: 1.4;
}

.settings-3layer .weight-bar {
    height: 4px;
    border-radius: 2px;
    background: var(--border-l);
    margin-top: 12px;
}

.settings-3layer .weight-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.6s ease;
}

/* =====================================================
   TIERS LIST
   ===================================================== */
.settings-3layer .tiers-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.settings-3layer .tier-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: 8px;
    background: var(--subtle);
}

.settings-3layer .tier-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

.settings-3layer .tier-range {
    font-size: 13px;
    font-weight: 600;
    width: 60px;
}

.settings-3layer .tier-label {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

/* =====================================================
   AGENTS LIST
   ===================================================== */
.settings-3layer .agents-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.settings-3layer .agent-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 6px;
}

.settings-3layer .agent-status {
    width: 18px;
    height: 18px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
}

.settings-3layer .agent-status.done {
    background: var(--green-s);
    color: var(--green);
}

.settings-3layer .agent-status.pending {
    background: var(--subtle);
    color: var(--ink3);
}

.settings-3layer .agent-name {
    font-size: 13px;
    font-weight: 500;
    flex: 1;
}

.settings-3layer .agent-id {
    font-size: 12px;
    color: var(--ink3);
}

.settings-3layer .agent-cost {
    font-size: 12px;
    font-weight: 500;
}

.settings-3layer .agent-cost.done {
    color: var(--green);
}

/* =====================================================
   PRODUCTS GRID
   ===================================================== */
.settings-3layer .products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.settings-3layer .product-card {
    padding: 14px;
    border-radius: 10px;
    background: var(--subtle);
    border: 1px solid var(--border-l);
    transition: all 0.15s;
    cursor: default;
}

.settings-3layer .product-card:hover {
    background: var(--amber-bg);
    border-color: var(--amber-s);
}

.settings-3layer .product-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.settings-3layer .product-emoji {
    font-size: 16px;
}

.settings-3layer .product-name {
    font-size: 13px;
    font-weight: 600;
}

.settings-3layer .product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.settings-3layer .product-users {
    font-size: 11px;
    color: var(--ink3);
}

.settings-3layer .product-stat {
    font-size: 10px;
    font-weight: 500;
    color: var(--amber);
    background: var(--amber-bg);
    padding: 2px 6px;
    border-radius: 4px;
}

/* =====================================================
   ICP GRID
   ===================================================== */
.settings-3layer .icp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.settings-3layer .icp-section-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: var(--ink3);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.settings-3layer .icp-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

/* =====================================================
   PAIN POINTS LIST
   ===================================================== */
.settings-3layer .pain-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.settings-3layer .pain-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    background: var(--subtle);
}

.settings-3layer .pain-item.high {
    border-left: 3px solid var(--red);
}

.settings-3layer .pain-item.medium {
    border-left: 3px solid var(--amber);
}

.settings-3layer .pain-text {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

/* =====================================================
   HINT BOX
   ===================================================== */
.settings-3layer .hint {
    font-size: 12px;
    color: var(--ink3);
    padding: 10px 14px;
    background: var(--subtle);
    border-radius: 8px;
    border: 1px solid var(--border-l);
}

/* =====================================================
   EMPTY STATE
   ===================================================== */
.settings-3layer .empty-state {
    padding: 40px 20px;
    text-align: center;
    border: 2px dashed var(--border-l);
    border-radius: 10px;
}

.settings-3layer .empty-state .icon {
    font-size: 32px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.settings-3layer .empty-state .text {
    font-size: 14px;
    color: var(--ink3);
}

/* =====================================================
   FLOATING SAVE BUTTON
   ===================================================== */
.settings-3layer .save-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100;
    padding: 14px 28px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--amber), #B45309);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.settings-3layer .save-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.5);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    .settings-3layer .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .settings-3layer .icp-grid {
        grid-template-columns: 1fr;
    }

    .settings-3layer .weights-grid {
        flex-direction: column;
    }

    .settings-3layer .signals-grid {
        grid-template-columns: 1fr;
    }

    .settings-3layer .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   TEAM TAB - Invite & Member Cards
   ===================================================== */
.team-invite-input:focus {
    border-color: var(--amber) !important;
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
}

.team-invite-btn:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

.team-action-btn:hover {
    background: var(--subtle) !important;
}

body.dark .team-action-btn:hover {
    background: var(--dark-border) !important;
}