/* ============================================
   NYC Energy Map 3D — Dark Teal Theme
   ============================================ */

:root {
    --bg-dark: #0f231e;
    --bg-card: rgba(22, 46, 40, 0.92);
    --bg-card-solid: #162e28;
    --bg-hover: rgba(102, 255, 219, 0.06);
    --border: rgba(102, 255, 219, 0.12);
    --border-hover: rgba(102, 255, 219, 0.25);
    --text-primary: #e8f5f0;
    --text-secondary: rgba(232, 245, 240, 0.55);
    --text-muted: rgba(232, 245, 240, 0.35);
    --accent: #66ffdb;
    --accent-glow: rgba(102, 255, 219, 0.15);
    --grade-A: #34d399;
    --grade-B: #a3e635;
    --grade-C: #facc15;
    --grade-D: #f97316;
    --grade-F: #e11d48;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* ---- Auth Gate ---- */
#auth-gate {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.auth-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px 36px;
    text-align: center;
    width: 340px;
    box-shadow: 0 16px 64px rgba(0, 0, 0, 0.5);
    animation: authFadeIn 0.6s ease both;
}

@keyframes authFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-10px);
    }

    40% {
        transform: translateX(10px);
    }

    60% {
        transform: translateX(-6px);
    }

    80% {
        transform: translateX(6px);
    }
}

.auth-logo {
    font-size: 3rem;
    margin-bottom: 12px;
    filter: drop-shadow(0 0 16px rgba(74, 237, 196, 0.6));
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 4px;
    background: linear-gradient(135deg, var(--accent), #7dffe0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.auth-subtitle {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.auth-input-wrap {
    margin-bottom: 14px;
}

.auth-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    text-align: center;
    letter-spacing: 0.1em;
    transition: border-color 0.25s;
}

.auth-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 237, 196, 0.15);
}

.auth-input::placeholder {
    letter-spacing: 0;
    color: var(--text-muted);
}

.auth-submit {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, var(--accent), #38d4aa);
    color: #fff;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
}

.auth-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(74, 237, 196, 0.35);
}

.auth-error {
    font-size: 0.75rem;
    color: var(--grade-F);
    margin-top: 10px;
    min-height: 1.2em;
    opacity: 0;
    transition: opacity 0.3s;
}

.auth-footer {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ---- Loading ---- */
#loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    text-align: center;
    max-width: 320px;
}

.loader-content h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--accent), #7dffe0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.loader-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.loader-ring {
    width: 56px;
    height: 56px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

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

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), #7dffe0);
    border-radius: 2px;
    transition: width 0.4s ease;
}

/* ---- Map ---- */
#map {
    position: fixed;
    inset: 0;
    z-index: 1;
}

/* ---- Header ---- */
#header {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-card);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 10px 20px;
    box-shadow: var(--shadow);
    animation: slideDown 0.5s ease 0.3s both;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.header-left {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 8px rgba(74, 237, 196, 0.5));
}

.logo h1 {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.logo .subtitle {
    font-size: 0.68rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.header-right {
    display: flex;
    gap: 8px;
}

.stat-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-hover);
    min-width: 64px;
}

.stat-label {
    font-size: 0.58rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 600;
}

.stat-value {
    font-size: 1rem;
    font-weight: 800;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

/* ---- Sidebar ---- */
#sidebar {
    position: fixed;
    top: 80px;
    left: 16px;
    bottom: 16px;
    width: 272px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
    animation: slideIn 0.5s ease 0.4s both;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

#sidebar::-webkit-scrollbar {
    width: 4px;
}

#sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.panel {
    background: var(--bg-card);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    box-shadow: var(--shadow);
}

.panel-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 8px;
}

/* ---- Grade Buttons ---- */
.grade-filters {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.grade-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 7px 10px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.grade-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.grade-btn.active {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.grade-btn:not(.active) {
    opacity: 0.3;
}

.grade-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.grade-letter {
    font-weight: 800;
    font-size: 0.9rem;
    min-width: 14px;
}

.grade-range {
    color: var(--text-secondary);
    font-size: 0.7rem;
    flex: 1;
}

.grade-count {
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

/* ---- Quick Filters ---- */
.quick-filters {
    display: flex;
    gap: 5px;
    margin-top: 8px;
}

.quick-btn {
    flex: 1;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-hover);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-btn:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.quick-btn.accent {
    background: linear-gradient(135deg, rgba(255, 112, 67, 0.15), rgba(239, 83, 80, 0.15));
    border-color: rgba(255, 112, 67, 0.3);
    color: var(--grade-D);
}

.quick-btn.accent:hover {
    background: linear-gradient(135deg, rgba(255, 112, 67, 0.25), rgba(239, 83, 80, 0.25));
    border-color: var(--grade-D);
}

.quick-btn.mini {
    flex: none;
    padding: 4px 8px;
    font-size: 0.65rem;
}

.quick-btn.residential {
    background: linear-gradient(135deg, rgba(0, 230, 118, 0.12), rgba(0, 188, 212, 0.12));
    border-color: rgba(0, 230, 118, 0.3);
    color: var(--grade-A);
}

.quick-btn.residential:hover {
    background: linear-gradient(135deg, rgba(0, 230, 118, 0.22), rgba(0, 188, 212, 0.22));
    border-color: var(--grade-A);
}

/* ---- Chart Bars ---- */
.chart-bars {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.chart-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chart-label {
    font-weight: 800;
    font-size: 0.75rem;
    width: 14px;
    text-align: center;
}

.chart-bar-bg {
    flex: 1;
    height: 16px;
    background: rgba(74, 237, 196, 0.04);
    border-radius: 4px;
    overflow: hidden;
}

.chart-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}

.chart-bar-fill::after {
    content: attr(data-count);
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.6rem;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.7);
    white-space: nowrap;
}

.chart-pct {
    font-size: 0.68rem;
    color: var(--text-muted);
    width: 34px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ---- Range Inputs ---- */
.range-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.range-label {
    flex: 1;
    font-size: 0.72rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.range-sep {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-bottom: 6px;
}

.num-input {
    width: 100%;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.8rem;
    transition: border-color 0.2s;
}

.num-input:focus {
    outline: none;
    border-color: var(--accent);
}

.help-text {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 5px;
    line-height: 1.4;
}

/* ---- Select ---- */
.select-input {
    width: 100%;
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.78rem;
    appearance: none;
    cursor: pointer;
    transition: border-color 0.2s;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b949e' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 28px;
}

.select-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* ---- Landmark Toggle ---- */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 4px 0;
}

.toggle-label {
    font-size: 0.78rem;
    font-weight: 600;
}

.toggle-input {
    display: none;
}

.toggle-switch {
    width: 36px;
    height: 20px;
    border-radius: 10px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: all 0.25s ease;
}

.toggle-input:checked+.toggle-switch {
    background: rgba(74, 237, 196, 0.2);
    border-color: var(--accent);
}

.toggle-input:checked+.toggle-switch::after {
    left: 18px;
    background: var(--accent);
}

.landmark-stats {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 8px;
}

.landmark-stat {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.landmark-stat strong {
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.popup-landmark-tag {
    display: inline-block;
    margin-top: 6px;
    margin-right: 4px;
    padding: 3px 8px;
    border-radius: 16px;
    font-size: 0.62rem;
    font-weight: 700;
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

/* ---- Export ---- */
.export-btn {
    width: 100%;
    padding: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent);
    background: linear-gradient(135deg, rgba(74, 237, 196, 0.1), rgba(125, 255, 224, 0.08));
    color: var(--accent);
    font-family: var(--font);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.export-btn:hover {
    background: linear-gradient(135deg, rgba(74, 237, 196, 0.2), rgba(125, 255, 224, 0.15));
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(74, 237, 196, 0.2);
}

/* ---- Upload ---- */
.upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--border-hover);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

.upload-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--text-primary);
}

.upload-stats {
    margin-top: 10px;
}

.upload-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 2px 0;
}

.upload-stat-row strong {
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}

.popup-completed-tag {
    display: inline-block;
    margin-top: 6px;
    margin-right: 4px;
    padding: 3px 8px;
    border-radius: 16px;
    font-size: 0.62rem;
    font-weight: 700;
    background: rgba(124, 92, 224, 0.2);
    color: #b388ff;
    border: 1px solid rgba(124, 92, 224, 0.4);
}

/* ---- Controls Hint ---- */
#controls-hint {
    position: fixed;
    bottom: 20px;
    right: 16px;
    z-index: 1000;
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 14px;
    box-shadow: var(--shadow);
    font-size: 0.65rem;
    color: var(--text-secondary);
    animation: slideUp 0.5s ease 0.5s both;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#controls-hint strong {
    color: var(--text-primary);
}

/* ---- MapLibre Popup ---- */
.maplibregl-popup-content {
    background: var(--bg-card-solid) !important;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow) !important;
    color: var(--text-primary) !important;
    font-family: var(--font) !important;
    padding: 0 !important;
    min-width: 260px;
}

.maplibregl-popup-tip {
    border-top-color: var(--bg-card-solid) !important;
}

.maplibregl-popup-close-button {
    color: var(--text-secondary) !important;
    font-size: 20px !important;
    top: 8px !important;
    right: 10px !important;
}

.maplibregl-popup-close-button:hover {
    color: var(--text-primary) !important;
}

.popup-inner {
    padding: 16px;
    max-width: 300px;
}

.popup-grade-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 900;
    color: #000;
    margin-bottom: 8px;
}

.popup-name {
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 2px;
    line-height: 1.3;
}

.popup-address {
    font-size: 0.76rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.popup-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.popup-detail {
    display: flex;
    flex-direction: column;
}

.popup-detail-label {
    font-size: 0.58rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    font-weight: 600;
}

.popup-detail-value {
    font-size: 0.82rem;
    font-weight: 700;
}

.popup-lead-tag {
    display: inline-block;
    margin-top: 10px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.66rem;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(255, 112, 67, 0.2), rgba(239, 83, 80, 0.2));
    color: var(--grade-D);
    border: 1px solid rgba(255, 112, 67, 0.3);
}

/* ---- MapLibre Controls ---- */
.maplibregl-ctrl-group {
    background: var(--bg-card-solid) !important;
    border: 1px solid var(--border) !important;
}

.maplibregl-ctrl-group button {
    color: var(--text-primary) !important;
}

.maplibregl-ctrl-group button+button {
    border-top: 1px solid var(--border) !important;
}

.maplibregl-ctrl-attrib {
    background: rgba(9, 26, 22, 0.7) !important;
    color: var(--text-muted) !important;
    font-size: 0.6rem !important;
}

.maplibregl-ctrl-attrib a {
    color: var(--text-secondary) !important;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    #header {
        top: 8px;
        left: 8px;
        right: 8px;
        transform: none;
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    #sidebar {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 40vh;
        border-radius: 20px 20px 0 0;
        padding: 12px;
    }

    @keyframes slideIn {
        from {
            opacity: 0;
            transform: translateY(20px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    #controls-hint {
        display: none;
    }
}

/* ---- Disclaimer Banner ---- */
.disclaimer-banner {
    position: fixed;
    top: 68px;
    right: 16px;
    max-width: 380px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 12px;
    line-height: 1.5;
    z-index: 800;
    box-shadow: 0 4px 24px rgba(0,0,0,0.35);
    animation: disclaimerSlideIn 0.4s ease-out;
}

.disclaimer-banner .disclaimer-content {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.disclaimer-banner .disclaimer-icon {
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 1px;
}

.disclaimer-banner .disclaimer-content p {
    margin: 0;
    color: var(--text-secondary);
}

.disclaimer-banner .disclaimer-content p strong {
    color: var(--text-primary);
}

.disclaimer-banner .disclaimer-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
    flex-shrink: 0;
    transition: color 0.15s;
}

.disclaimer-banner .disclaimer-close:hover {
    color: var(--text-primary);
}

@keyframes disclaimerSlideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}