:root {
    --ink-900: #112033;
    --ink-700: #38506a;
    --ink-500: #5f7891;
    --sand-100: #fffaf2;
    --sand-200: #f7efdf;
    --pearl: #fffdf8;
    --teal-500: #0f8b8d;
    --teal-700: #0b5f6a;
    --coral-500: #ea6a4f;
    --coral-700: #c65139;
    --gold-400: #f3b64c;
    --mint-200: #d7efe8;
    --sky-100: #edf6ff;
    --rose-100: #fff0ea;
    --danger-500: #cc4b37;
    --success-500: #238768;
    --border-soft: rgba(17, 32, 51, 0.1);
    --shadow-soft: 0 18px 45px rgba(17, 32, 51, 0.12);
    --shadow-card: 0 12px 30px rgba(17, 32, 51, 0.1);
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 14px;
    --transition: 180ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Avenir Next", "Segoe UI Variable", "Trebuchet MS", sans-serif;
    color: var(--ink-900);
    background:
        radial-gradient(circle at top left, rgba(243, 182, 76, 0.18), transparent 28%),
        radial-gradient(circle at top right, rgba(15, 139, 141, 0.12), transparent 24%),
        linear-gradient(180deg, #fffdf8 0%, #fff9ef 32%, #f8f3ea 100%);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

img {
    display: block;
    max-width: 100%;
}

.hidden {
    display: none !important;
}

.site-shell {
    overflow: hidden;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.hero-shell {
    position: relative;
    background:
        linear-gradient(135deg, rgba(17, 32, 51, 0.96), rgba(31, 66, 86, 0.91)),
        linear-gradient(135deg, var(--teal-700), var(--ink-900));
    color: var(--pearl);
    padding-bottom: 36px;
}

.hero-shell::before,
.hero-shell::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    filter: blur(4px);
    opacity: 0.7;
}

.hero-shell::before {
    width: 340px;
    height: 340px;
    top: -120px;
    right: -90px;
    background: radial-gradient(circle, rgba(243, 182, 76, 0.5), transparent 70%);
}

.hero-shell::after {
    width: 420px;
    height: 420px;
    left: -120px;
    bottom: -140px;
    background: radial-gradient(circle, rgba(234, 106, 79, 0.24), transparent 70%);
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(16px);
    background: rgba(17, 32, 51, 0.36);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.logo-mark {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    color: var(--ink-900);
    background: linear-gradient(135deg, var(--gold-400), #ffe1a3);
    box-shadow: 0 12px 24px rgba(243, 182, 76, 0.26);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    list-style: none;
    color: rgba(255, 255, 255, 0.88);
}

.nav-links a {
    position: relative;
    transition: color var(--transition);
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-400), var(--coral-500));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: #ffffff;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
    transform: scaleX(1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    border: 0;
    border-radius: 999px;
    padding: 13px 20px;
    cursor: pointer;
    transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
    font-weight: 700;
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-1px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--coral-500), var(--gold-400));
    box-shadow: 0 16px 30px rgba(234, 106, 79, 0.3);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: linear-gradient(135deg, var(--coral-700), #e09a2d);
}

.btn-outline,
.btn-ghost,
.btn-outline-light {
    background: transparent;
}

.btn-outline {
    color: var(--ink-900);
    border: 1px solid rgba(17, 32, 51, 0.12);
}

.btn-ghost {
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.btn-outline-light {
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover,
.btn-ghost:hover,
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.09);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: center;
    padding: 72px 0 36px;
    position: relative;
    z-index: 1;
}

.hero-copy h1,
.section-header h2,
.card-header h2,
.insight-card h3,
.property-title,
.agent-name,
.detail-title,
.footer h3,
.footer h4,
.auth-form h3 {
    font-family: Georgia, "Times New Roman", serif;
    letter-spacing: -0.02em;
}

.eyebrow,
.section-kicker,
.card-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.eyebrow {
    color: #fff5d8;
    background: rgba(255, 255, 255, 0.09);
    margin-bottom: 18px;
}

.hero-copy h1 {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    line-height: 0.95;
    margin-bottom: 18px;
}

.hero-copy p {
    font-size: 1.08rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.82);
    max-width: 620px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 28px 0 22px;
}

.auth-status {
    display: inline-flex;
    align-items: center;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

.hero-panel {
    position: relative;
}

.search-card {
    padding: 28px;
    border-radius: var(--radius-lg);
    background: rgba(255, 250, 242, 0.97);
    color: var(--ink-900);
    box-shadow: var(--shadow-soft);
}

.card-header {
    margin-bottom: 20px;
}

.card-header h2 {
    font-size: 2rem;
    margin: 10px 0 6px;
}

.card-header p,
.insight-card p,
.section-header p,
.agent-bio,
.agent-contact,
.property-location,
.property-reason,
.detail-description,
.auth-form p,
.footer p {
    color: var(--ink-700);
    line-height: 1.65;
}

.search-grid,
.field-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.field span {
    font-size: 0.92rem;
    font-weight: 700;
}

.field input,
.field select {
    min-height: 52px;
    width: 100%;
    border: 1px solid rgba(17, 32, 51, 0.12);
    border-radius: 16px;
    padding: 0 16px;
    background: #fff;
    color: var(--ink-900);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.field input:focus,
.field select:focus {
    outline: none;
    border-color: var(--teal-500);
    box-shadow: 0 0 0 4px rgba(15, 139, 141, 0.14);
}

.metrics-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    position: relative;
    z-index: 1;
}

.metric-card {
    padding: 20px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
}

.metric-value {
    display: block;
    font-size: clamp(1.8rem, 3vw, 2.3rem);
    font-weight: 800;
    color: #fff;
}

.metric-label {
    color: rgba(255, 255, 255, 0.74);
}

.section {
    padding: 82px 0;
}

.section-soft {
    background:
        linear-gradient(180deg, rgba(255, 245, 230, 0.48), rgba(255, 255, 255, 0.7)),
        radial-gradient(circle at top left, rgba(15, 139, 141, 0.05), transparent 40%);
}

.section-header {
    display: grid;
    gap: 12px;
    margin-bottom: 30px;
    max-width: 720px;
}

.section-kicker,
.card-kicker {
    background: rgba(15, 139, 141, 0.1);
    color: var(--teal-700);
    width: fit-content;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3.3rem);
    color: var(--ink-900);
}

.feedback-banner {
    margin-top: 28px;
    padding: 18px 20px;
    border-radius: 18px;
    font-weight: 700;
    box-shadow: var(--shadow-card);
}

.feedback-banner.info {
    background: var(--sky-100);
    color: var(--teal-700);
}

.feedback-banner.success {
    background: var(--mint-200);
    color: var(--success-500);
}

.feedback-banner.error {
    background: var(--rose-100);
    color: var(--danger-500);
}

.search-stage {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    align-items: stretch;
}

.filters-panel,
.insight-card {
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
}

.filters-panel {
    padding: 24px;
}

.filters-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.insight-card {
    padding: 28px;
    background:
        linear-gradient(160deg, rgba(17, 32, 51, 0.98), rgba(15, 95, 106, 0.94)),
        linear-gradient(135deg, var(--ink-900), var(--teal-700));
    color: #fff;
}

.insight-card p {
    color: rgba(255, 255, 255, 0.82);
    margin-top: 16px;
}

.ai-stage {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 24px;
    align-items: start;
}

.ai-panel,
.ai-chat-shell {
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
}

.ai-panel,
.ai-chat-shell {
    padding: 26px;
}

.ai-panel-header,
.ai-chat-header,
.ai-chat-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.chat-preferences {
    display: grid;
    gap: 8px;
}

.streaming-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--ink-900);
}

.streaming-toggle input {
    width: 18px;
    height: 18px;
    accent-color: var(--teal-500);
}

.runtime-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--sand-100);
    color: var(--ink-700);
    font-size: 0.85rem;
    font-weight: 800;
}

.runtime-pill.live {
    background: rgba(35, 135, 104, 0.12);
    color: var(--success-500);
}

.runtime-pill.fallback {
    background: rgba(243, 182, 76, 0.2);
    color: #8f5a0d;
}

.ai-agent-select-wrap {
    margin-top: 18px;
}

.ai-agent-select-wrap select {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--border-soft);
    background: linear-gradient(180deg, rgba(255, 250, 242, 0.95), #fff);
    color: var(--ink-900);
    padding: 12px 14px;
    font-weight: 700;
}

.ai-agent-grid {
    display: grid;
    gap: 14px;
    margin-top: 22px;
}

.conversation-panel {
    display: grid;
    gap: 14px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-soft);
}

.conversation-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.conversation-summary {
    color: var(--ink-700);
    line-height: 1.6;
}

.conversation-list {
    display: grid;
    gap: 10px;
    max-height: 280px;
    overflow-y: auto;
}

.conversation-item {
    display: grid;
    gap: 6px;
    width: 100%;
    text-align: left;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid var(--border-soft);
    background: linear-gradient(180deg, rgba(255, 250, 242, 0.95), #fff);
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.conversation-item:hover,
.conversation-item.active {
    transform: translateY(-1px);
    border-color: rgba(15, 139, 141, 0.24);
    box-shadow: 0 16px 28px rgba(17, 32, 51, 0.1);
}

.conversation-item-title {
    font-weight: 800;
    color: var(--ink-900);
}

.conversation-item-meta,
.conversation-item-preview {
    color: var(--ink-700);
    font-size: 0.92rem;
    line-height: 1.5;
}

.ai-agent-card {
    display: grid;
    gap: 10px;
    padding: 18px;
    border-radius: 22px;
    border: 1px solid var(--border-soft);
    background: linear-gradient(180deg, rgba(255, 250, 242, 0.95), #fff);
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.ai-agent-card:hover,
.ai-agent-card.active {
    transform: translateY(-2px);
    border-color: rgba(15, 139, 141, 0.24);
    box-shadow: 0 18px 32px rgba(17, 32, 51, 0.12);
}

.ai-agent-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.ai-agent-name {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.35rem;
}

.ai-agent-role {
    color: var(--ink-700);
    line-height: 1.6;
}

.ai-agent-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(135deg, var(--teal-700), var(--coral-500));
}

.quick-prompt-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 18px 0 18px;
}

.quick-prompt {
    border: 1px solid rgba(17, 32, 51, 0.1);
    border-radius: 999px;
    background: var(--sand-100);
    color: var(--ink-900);
    padding: 10px 14px;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}

.quick-prompt:hover {
    background: var(--mint-200);
    transform: translateY(-1px);
}

.ai-chat-shell {
    display: grid;
    gap: 14px;
}

.ai-chat-header p,
.chat-hint {
    color: var(--ink-700);
}

.ai-chat-messages {
    display: grid;
    gap: 12px;
    min-height: 360px;
    max-height: 520px;
    overflow-y: auto;
    padding: 12px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(237, 246, 255, 0.58), rgba(255, 250, 242, 0.82));
}

.chat-empty {
    align-self: center;
    text-align: center;
    color: var(--ink-500);
    padding: 48px 18px;
}

.chat-bubble {
    max-width: 88%;
    padding: 16px 18px;
    border-radius: 22px;
    box-shadow: var(--shadow-card);
}

.chat-bubble.user {
    justify-self: end;
    background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
    color: #fff;
    border-bottom-right-radius: 8px;
}

.chat-bubble.assistant {
    justify-self: start;
    background: #fff;
    color: var(--ink-900);
    border-bottom-left-radius: 8px;
}

.chat-bubble-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.chat-body {
    line-height: 1.7;
    white-space: pre-wrap;
}

.chat-bubble.is-streaming .chat-body::after {
    content: '';
    display: inline-block;
    width: 10px;
    height: 1.05em;
    margin-left: 6px;
    vertical-align: text-bottom;
    border-radius: 999px;
    background: rgba(15, 139, 141, 0.28);
    animation: streamPulse 0.9s ease-in-out infinite;
}

.chat-notice {
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(243, 182, 76, 0.14);
    color: #7e5310;
    font-size: 0.92rem;
    line-height: 1.55;
}

@keyframes streamPulse {
    0%, 100% {
        opacity: 0.2;
    }

    50% {
        opacity: 0.95;
    }
}

.chat-source-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--sand-100);
    color: var(--ink-700);
    font-size: 0.75rem;
    font-weight: 800;
}

.chat-recommendations {
    display: grid;
    gap: 8px;
    margin-top: 12px;
}

.chat-recommendation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 18px;
    background: var(--sand-100);
}

.chat-recommendation button {
    border: 0;
    background: transparent;
    color: var(--teal-700);
    font-weight: 800;
    cursor: pointer;
}

.ai-chat-form {
    display: grid;
    gap: 14px;
}

.ai-chat-form textarea {
    width: 100%;
    min-height: 108px;
    border: 1px solid rgba(17, 32, 51, 0.12);
    border-radius: 18px;
    padding: 14px 16px;
    resize: vertical;
}

.ai-chat-form textarea:focus {
    outline: none;
    border-color: var(--teal-500);
    box-shadow: 0 0 0 4px rgba(15, 139, 141, 0.14);
}

.properties-grid,
.agents-grid {
    display: grid;
    gap: 22px;
}

.properties-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.agents-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.property-card,
.agent-card,
.state-card {
    border-radius: 26px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
}

.property-card {
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.property-card:hover,
.property-card:focus-visible {
    transform: translateY(-4px);
    border-color: rgba(15, 139, 141, 0.22);
    box-shadow: 0 18px 36px rgba(17, 32, 51, 0.14);
}

.property-image {
    position: relative;
    min-height: 210px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 18px;
    color: #fff;
}

.property-image::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(17, 32, 51, 0.42) 100%);
}

.cover-sunset-grove {
    background: linear-gradient(135deg, #264653, #2a9d8f 58%, #e9c46a);
}

.cover-skyline-blue {
    background: linear-gradient(135deg, #1d3557, #457b9d 55%, #a8dadc);
}

.cover-amber-shore {
    background: linear-gradient(135deg, #9c6644, #ddb892 55%, #f6bd60);
}

.cover-terracotta {
    background: linear-gradient(135deg, #7f5539, #b08968 58%, #ddbea9);
}

.property-badges,
.property-image i {
    position: relative;
    z-index: 1;
}

.property-image i {
    font-size: 2.25rem;
    opacity: 0.92;
}

.property-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 800;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
}

.property-info {
    display: grid;
    gap: 14px;
    padding: 22px;
}

.property-price {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--coral-700);
}

.property-title {
    font-size: 1.45rem;
}

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

.property-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--ink-700);
}

.property-features span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--sand-100);
}

.property-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.property-reason {
    font-size: 0.94rem;
}

.status-badge {
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: capitalize;
}

.status-available {
    background: #dcf6ee;
    color: #11684f;
}

.status-pending {
    background: #fff0d6;
    color: #966214;
}

.status-sold {
    background: #ffe5de;
    color: #9b3426;
}

.state-card {
    padding: 34px 28px;
    text-align: center;
    color: var(--ink-700);
}

.state-loading {
    background: linear-gradient(135deg, rgba(15, 139, 141, 0.08), rgba(243, 182, 76, 0.12));
}

.state-error {
    background: linear-gradient(135deg, rgba(204, 75, 55, 0.08), rgba(255, 240, 234, 0.9));
    color: var(--danger-500);
}

.agent-card {
    padding: 24px;
    display: grid;
    gap: 16px;
}

.agent-top {
    display: flex;
    align-items: center;
    gap: 14px;
}

.agent-avatar {
    width: 66px;
    height: 66px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--teal-700), var(--coral-500));
}

.agent-name {
    font-size: 1.35rem;
}

.agent-company {
    color: var(--teal-700);
    font-weight: 700;
}

.agent-contact {
    display: grid;
    gap: 6px;
}

.agent-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--sand-100);
    color: var(--ink-700);
    font-size: 0.84rem;
    font-weight: 800;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 28px;
}

.pagination-btn {
    min-width: 46px;
    min-height: 46px;
    border-radius: 14px;
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    font-weight: 800;
    color: var(--ink-900);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.pagination-btn.active,
.pagination-btn:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
    transform: translateY(-1px);
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(7, 14, 25, 0.54);
    backdrop-filter: blur(10px);
    z-index: 40;
}

.modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    width: min(560px, 100%);
    max-height: min(90vh, 900px);
    overflow-y: auto;
    padding: 28px;
    border-radius: 28px;
    background: rgba(255, 252, 247, 0.98);
    box-shadow: var(--shadow-soft);
}

.modal-large {
    width: min(920px, 100%);
}

.close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 50%;
    font-size: 1.6rem;
    color: var(--ink-700);
    background: rgba(17, 32, 51, 0.06);
    cursor: pointer;
}

.tab-row {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    min-height: 48px;
    border-radius: 16px;
    border: 1px solid var(--border-soft);
    background: #fff;
    color: var(--ink-700);
    cursor: pointer;
    font-weight: 800;
}

.tab-btn.active {
    color: #fff;
    background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
}

.auth-form {
    display: grid;
    gap: 16px;
}

.auth-form p {
    margin-top: -6px;
}

.property-detail {
    display: grid;
    gap: 24px;
}

.detail-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.detail-image {
    min-height: 340px;
    border-radius: 26px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 24px;
    color: #fff;
}

.detail-image i {
    font-size: 3rem;
}

.detail-info {
    display: grid;
    gap: 16px;
}

.detail-price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--coral-700);
}

.detail-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
}

.detail-location {
    display: flex;
    gap: 10px;
    color: var(--ink-700);
}

.detail-features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.detail-feature,
.detail-score,
.detail-reason {
    padding: 14px 16px;
    border-radius: 18px;
    background: var(--sand-100);
}

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

.detail-score {
    background: linear-gradient(135deg, rgba(15, 139, 141, 0.1), rgba(243, 182, 76, 0.18));
}

.footer {
    background: linear-gradient(180deg, var(--ink-900), #091321);
    color: rgba(255, 255, 255, 0.8);
    padding: 44px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 0.8fr;
    gap: 28px;
}

.footer h3,
.footer h4 {
    color: #fff;
    margin-bottom: 14px;
}

.footer a,
.footer p {
    display: block;
    margin-bottom: 10px;
}

.scroll-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 52px;
    height: 52px;
    border: 0;
    border-radius: 18px;
    color: #fff;
    background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
    box-shadow: var(--shadow-card);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    z-index: 30;
}

.scroll-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.scroll-to-top:hover {
    transform: translateY(-2px);
}

.toast-stack {
    position: fixed;
    top: 16px;
    right: 16px;
    display: grid;
    gap: 10px;
    z-index: 50;
}

.toast {
    min-width: 240px;
    padding: 14px 16px;
    border-radius: 16px;
    color: #fff;
    box-shadow: var(--shadow-card);
    animation: toast-slide 180ms ease;
}

.toast.info {
    background: linear-gradient(135deg, var(--ink-700), var(--ink-900));
}

.toast.success {
    background: linear-gradient(135deg, var(--success-500), #33a37f);
}

.toast.error {
    background: linear-gradient(135deg, var(--danger-500), #e36b56);
}

@keyframes toast-slide {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 980px) {
    .hero,
    .ai-stage,
    .search-stage,
    .footer-grid,
    .detail-header {
        grid-template-columns: 1fr;
    }

    .metrics-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .nav-container {
        flex-wrap: wrap;
        justify-content: center;
        padding: 14px 0;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }

    .nav-actions {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero {
        padding-top: 48px;
    }

    .search-grid,
    .field-group,
    .detail-features {
        grid-template-columns: 1fr;
    }

    .metrics-strip {
        grid-template-columns: 1fr;
    }

    .property-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .ai-panel-header,
    .ai-chat-header,
    .ai-chat-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .modal-content {
        padding: 24px 18px;
    }
}