/*
 * shell.css — Fusion Deal Command Center Shell Layout
 * Created: Batch 03 — Shell Architecture
 *
 * All shell-specific layout rules for the FDCC 6-zone scaffold.
 * Depends on: css/base.css (must load first)
 *
 * Zones:
 *   1. #lf-topbar          — sticky top nav
 *   2. #lf-intel-bar       — collapsible property intelligence row
 *   3. #lf-snapshot        — sticky KPI strip
 *   4. #lf-strategy        — strategy tab switcher
 *   5. #lf-workspace       — 3-panel main grid
 *      ├── #lf-panel-left  — 280px fixed
 *      ├── #lf-panel-center — flex: 1
 *      └── #lf-panel-right — 320px fixed
 */

/* ============================================================
   SHELL RESET & VIEWPORT
   ============================================================ */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden; /* shell controls scroll per-panel */
}

/* ============================================================
   SHELL FRAME — legacy container (kept for compat)
   Batch 07: layout now driven by #lf-app-frame in sidebar.css
   ============================================================ */
#lf-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    position: relative;
}

/* #lf-shell-content: vertical flex column inside the app frame */
#lf-shell-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

/* STATE A body: #lf-app-frame hidden, landing shown */
body.lf-state-landing #lf-app-frame {
    display: none;
}

/* STATE B/C: app frame visible as flex row */
body.lf-state-intel #lf-app-frame,
body.lf-state-workspace #lf-app-frame {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* ============================================================
   ZONE 1 — TOP BAR (#lf-topbar)
   Sticky glassmorphism nav
   ============================================================ */
#lf-topbar {
    position: sticky;
    top: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
    height: 64px;
    flex-shrink: 0;
    background: var(--surface-dark);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--cyan-alpha-20);
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.50);
}

/* Logo area */
.lf-topbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
}

.lf-topbar__mark {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--gold-500), var(--gold-300));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: var(--weight-black);
    font-size: var(--text-md);
    color: var(--text-inverse);
    box-shadow: var(--glow-gold-sm);
    letter-spacing: -0.04em;
}

.lf-topbar__wordmark {
    font-family: var(--font-display);
    font-weight: var(--weight-black);
    font-size: var(--text-md);
    letter-spacing: var(--tracking-widest);
    background: linear-gradient(90deg, var(--gold-400), var(--gold-200), var(--gold-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    line-height: 1;
}

/* Center: address search display */
.lf-topbar__address {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
}

.lf-address-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.22s ease;
    max-width: 480px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lf-address-chip:hover {
    background: var(--glass-bg-hover);
    border-color: var(--cyan-alpha-30);
    color: var(--text-secondary);
}

.lf-address-chip__icon {
    flex-shrink: 0;
    color: var(--cyan-500);
    font-size: var(--text-base);
}

/* Right: actions */
.lf-topbar__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.lf-topbar__icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.22s ease;
    font-size: var(--text-md);
    text-decoration: none;
}

.lf-topbar__icon-btn:hover {
    background: var(--glass-bg-hover);
    border-color: var(--cyan-alpha-30);
    color: var(--cyan-500);
    box-shadow: var(--glow-cyan-sm);
}

.lf-topbar__avatar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px 4px 4px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.22s ease;
}

.lf-topbar__avatar:hover {
    background: var(--glass-bg-hover);
    border-color: var(--cyan-alpha-30);
}

.lf-avatar-dot {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--cyan-700), var(--cyan-500));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: var(--weight-bold);
    font-size: var(--text-xs);
    color: var(--bg-abyss-start);
}

.lf-avatar-name {
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    letter-spacing: var(--tracking-wide);
}

/* ============================================================
   ZONE 2 — PROPERTY INTELLIGENCE BAR (#lf-intel-bar)
   Collapsible, sits below topbar
   ============================================================ */
#lf-intel-bar {
    flex-shrink: 0;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.35s ease,
                opacity 0.25s ease;
    opacity: 0;
    background: rgba(3, 14, 26, 0.90);
    border-bottom: 1px solid transparent;
}

#lf-intel-bar.lf-intel-bar--open {
    max-height: 72px;
    opacity: 1;
    border-bottom-color: var(--cyan-alpha-20);
}

.lf-intel-bar__inner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
    height: 64px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
}

.lf-intel-bar__inner::-webkit-scrollbar {
    display: none;
}

/* Photo thumb */
.lf-intel-thumb {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: var(--text-lg);
}

.lf-intel-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Divider */
.lf-intel-divider {
    width: 1px;
    height: 32px;
    background: var(--glass-border);
    flex-shrink: 0;
}

/* Facts chips row */
.lf-intel-facts {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.lf-intel-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    white-space: nowrap;
}

.lf-intel-chip__label {
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-size: 10px;
}

/* Condition badge */
.lf-condition-badge {
    flex-shrink: 0;
}

/* Value/Rent range */
.lf-intel-range {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}

.lf-intel-range__label {
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    color: var(--text-dim);
    text-transform: uppercase;
}

.lf-intel-range__value {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--cyan-500);
}

/* ============================================================
   ZONE 3 — SNAPSHOT STRIP (#lf-snapshot)
   Sticky horizontal KPI row
   ============================================================ */
#lf-snapshot {
    flex-shrink: 0;
    display: flex;
    align-items: stretch;
    gap: 0;
    background: rgba(3, 14, 26, 0.95);
    border-bottom: 1px solid var(--cyan-alpha-10);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    min-height: 70px;
}

#lf-snapshot::-webkit-scrollbar {
    display: none;
}

.lf-snapshot__tiles {
    display: flex;
    align-items: stretch;
    flex: 1;
    min-width: 0;
}

.lf-kpi-tile {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3px;
    padding: 10px 20px;
    border-right: 1px solid var(--glass-border);
    background: var(--glass-bg);
    transition: background 0.18s ease;
    min-width: 110px;
    flex-shrink: 0;
    cursor: default;
}

.lf-kpi-tile:hover {
    background: var(--glass-bg-hover);
}

.lf-kpi-tile:first-child {
    border-left: 1px solid var(--glass-border);
}

.lf-kpi-tile__label {
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    color: var(--text-muted);
    text-transform: uppercase;
    white-space: nowrap;
}

.lf-kpi-tile__value {
    font-family: var(--font-display);
    font-size: var(--text-md);
    font-weight: var(--weight-bold);
    color: var(--cyan-500);
    text-shadow: var(--glow-cyan-sm);
    white-space: nowrap;
    letter-spacing: -0.02em;
}

.lf-kpi-tile__value--empty {
    color: var(--text-dim);
    text-shadow: none;
}

/* Confidence chip on far right */
.lf-snapshot__confidence {
    display: flex;
    align-items: center;
    padding: 0 20px;
    flex-shrink: 0;
    border-left: 1px solid var(--glass-border);
}

.lf-confidence-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    color: var(--text-muted);
    text-transform: uppercase;
    white-space: nowrap;
}

/* --- Tile hover: stronger border highlight (Batch 05) --- */
.lf-kpi-tile:hover {
    background: var(--glass-bg-hover);
    border-right-color: var(--cyan-alpha-20);
}

/* --- Tile flash animation on value change --- */
.lf-kpi-tile--flash {
    animation: tileCyanFlash 0.4s ease forwards;
}

@keyframes tileCyanFlash {
    0%   { border-color: var(--cyan-alpha-30); box-shadow: none; }
    40%  { border-color: var(--cyan-500);      box-shadow: var(--glow-cyan-sm); }
    100% { border-color: var(--glass-border);  box-shadow: none; }
}

/* --- Value crossfade transitions --- */
.lf-kpi-value--fade-out {
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.lf-kpi-value--fade-in {
    animation: valueFadeIn 0.15s ease forwards;
}

@keyframes valueFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0);   }
}

/* --- Cash flow color variants --- */
.lf-kpi-tile__value--positive {
    color: var(--color-positive);
    text-shadow: 0 0 8px rgba(0, 200, 100, 0.40);
}

.lf-kpi-tile__value--negative {
    color: var(--color-negative);
    text-shadow: 0 0 8px rgba(255, 72, 66, 0.40);
}

/* --- Confidence chip color variants --- */
.lf-confidence-chip--low {
    background: rgba(255, 72, 66, 0.10);
    border-color: rgba(255, 72, 66, 0.30);
    color: var(--color-negative);
}

.lf-confidence-chip--moderate {
    background: var(--gold-alpha-10);
    border-color: var(--gold-alpha-30);
    color: var(--gold-400);
}

.lf-confidence-chip--high {
    background: var(--cyan-alpha-10);
    border-color: var(--cyan-alpha-30);
    color: var(--cyan-500);
}

/* Confidence chip value-change pulse */
.lf-confidence-chip--update {
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* ============================================================
   ZONE 4 — STRATEGY SWITCHER (#lf-strategy)
   Tab row
   ============================================================ */
#lf-strategy {
    flex-shrink: 0;
    display: flex;
    align-items: stretch;
    background: rgba(2, 11, 18, 0.95);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 24px;
    gap: 4px;
    height: 46px;
    overflow-x: auto;
    scrollbar-width: none;
}

#lf-strategy::-webkit-scrollbar {
    display: none;
}

.lf-strategy-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.18s ease, border-color 0.18s ease;
    white-space: nowrap;
    position: relative;
    top: 1px; /* sits on the bottom border */
    flex-shrink: 0;
}

.lf-strategy-tab:hover {
    color: var(--text-secondary);
}

.lf-strategy-tab.lf-strategy-tab--active {
    color: var(--gold-500);
    border-bottom-color: var(--gold-500);
    font-weight: var(--weight-semibold);
}

.lf-strategy-tab__dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: currentColor;
    opacity: 0;
    transition: opacity 0.18s ease;
}

.lf-strategy-tab--active .lf-strategy-tab__dot {
    opacity: 1;
}

/* ============================================================
   ZONE 5 — MAIN WORKSPACE (#lf-workspace)
   3-panel grid, fills remaining height
   ============================================================ */
#lf-workspace {
    display: flex;
    flex-direction: row;
    flex: 1;
    min-height: 0; /* critical: allow flex child to shrink inside flex column */
    overflow: hidden;
}

/* --- Left Panel (#lf-panel-left) --- */
#lf-panel-left {
    width: 280px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-inner-xs);
    padding: var(--space-inner-sm);
    background: rgba(2, 11, 18, 0.80);
    border-right: 1px solid var(--glass-border);
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Center Panel (#lf-panel-center) --- */
#lf-panel-center {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: var(--space-inner-sm);
    background: transparent;
    overflow-y: auto;
    overflow-x: hidden;
}

/* --- Right Panel (#lf-panel-right) --- */
#lf-panel-right {
    width: 320px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-inner-xs);
    padding: var(--space-inner-sm);
    background: rgba(2, 11, 18, 0.80);
    border-left: 1px solid var(--glass-border);
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Panel Section Cards --- */
.lf-panel-card {
    display: flex;
    flex-direction: column;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
    transition: border-color 0.18s ease;
}

.lf-panel-card:hover {
    border-color: var(--glass-border-hover);
}

.lf-panel-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid transparent;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

.lf-panel-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    color: var(--text-muted);
    text-transform: uppercase;
}

.lf-panel-card__caret {
    color: var(--text-dim);
    font-size: var(--text-xs);
    transition: transform 0.18s ease;
}

/* Center main card */
.lf-center-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    min-height: 300px;
}

.lf-center-card__icon {
    font-size: 48px;
    opacity: 0.15;
    color: var(--cyan-500);
}

.lf-center-card__text {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    color: var(--text-dim);
    letter-spacing: var(--tracking-wide);
}

/* ============================================================
   RESPONSIVE — below 768px
   Left and right panels collapse to hidden.
   Toggle class lf-panel-open on panels to show (hook, not wired).
   ============================================================ */
@media (max-width: 768px) {
    #lf-topbar {
        padding: 0 16px;
        gap: 10px;
    }

    .lf-topbar__wordmark {
        display: none; /* show only mark on mobile */
    }

    .lf-address-chip {
        max-width: 100%;
    }

    #lf-panel-left {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 300;
        width: 280px;
        transform: translateX(-100%);
        background: rgba(2, 11, 18, 0.98);
        border-right: 1px solid var(--cyan-alpha-20);
    }

    #lf-panel-left.lf-panel-open {
        transform: translateX(0);
    }

    #lf-panel-right {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 300;
        width: 300px;
        transform: translateX(100%);
        background: rgba(2, 11, 18, 0.98);
        border-left: 1px solid var(--cyan-alpha-20);
    }

    #lf-panel-right.lf-panel-open {
        transform: translateX(0);
    }

    #lf-panel-center {
        width: 100%;
    }

    .lf-strategy-tab {
        padding: 0 12px;
        font-size: var(--text-xs);
    }

    .lf-kpi-tile {
        min-width: 90px;
        padding: 8px 12px;
    }

    #lf-strategy {
        padding: 0 12px;
    }
}

@media (max-width: 480px) {
    .lf-topbar__avatar .lf-avatar-name {
        display: none;
    }

    #lf-snapshot {
        min-height: 60px;
    }

    .lf-kpi-tile__value {
        font-size: var(--text-base);
    }
}