:root {
    --primary-bg: linear-gradient(135deg, #8147ff 0%, #4c1d95 60%, #2e1065 100%);
    --app-nav-bg: #121212;
    --blue: #0081ff;
    --up: #10b981;
    --down: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    color: white;
    width: 100%;
}

body.landing-mode {
    background: #4c1d95;
}

body.app-mode {
    background: #fff;
    color: #111;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- LANDING UI --- */
#landing-page {
    background: var(--primary-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.landing-nav {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.l-logo {
    font-family: 'Outfit';
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff;
    display: flex;
    align-items: center;
    text-decoration: none;
    margin-right: 50px;
}

.l-nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.l-nav-link {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    background: none;
    border: none;
    cursor: pointer;
}

.l-nav-link span {
    font-size: 0.7rem;
    opacity: 0.5;
}

.l-nav-link:hover {
    color: #fff;
}

.l-btn-up,
.btn-signup {
    background: #10b981;
    color: #fff;
    padding: 10px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.hero {
    flex: 1;
    display: flex;
    align-items: center;
    padding-bottom: 6rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.subtext {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.desc {
    font-size: 0.95rem;
    opacity: 0.7;
    line-height: 1.6;
}

.buy-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    color: #111;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.buy-card h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.buy-label {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.buy-in {
    border: 1px solid #efefef;
    background: #fdfdfd;
    padding: 12px 16px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.buy-in input {
    border: none;
    outline: none;
    font-size: 1.1rem;
    font-weight: 600;
    flex: 1;
}

.buy-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.9rem;
}

.buy-tag img {
    width: 24px;
    height: 16px;
    border-radius: 2px;
}

.swap-icon {
    text-align: center;
    font-size: 1.25rem;
    margin: 0.5rem 0;
    color: #ccc;
}

.buy-now-btn {
    width: 100%;
    background: #10b981;
    color: #fff;
    border: none;
    padding: 1rem;
    border-radius: 4px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 1rem;
    text-transform: uppercase;
}

/* --- MARKETING SECTIONS --- */
.market-preview-section {
    background: #fff;
    padding: 6rem 0;
    color: #111;
}

.market-preview-section h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.preview-tabs {
    display: flex;
    gap: 2rem;
    border-bottom: 1px solid #eee;
    margin-bottom: 2rem;
}

.preview-tab {
    padding: 12px 10px;
    font-size: 0.9rem;
    color: #999;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.preview-tab.active {
    color: #f59e0b;
    border-color: #f59e0b;
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.preview-table th {
    padding: 10px;
    font-size: 0.8rem;
    color: #999;
}

.preview-table td {
    padding: 15px 10px;
    font-size: 0.9rem;
    border-bottom: 1px solid #f9f9f9;
    color: #333;
}

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

.pair-info img {
    width: 24px;
    height: 24px;
}

.btn-buy-sell {
    background: #f0f0f0;
    color: #666;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
}

/* How it works */
.how-it-works {
    background: #4c1d95;
    padding: 6rem 0;
    color: #fff;
    text-align: center;
}

.how-it-works h2 {
    font-size: 2.2rem;
    margin-bottom: 4rem;
}

.steps-list {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.step-card {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 8px;
}

.step-card h3 {
    margin: 1.5rem 0 1rem;
    font-size: 1.25rem;
}

.step-card p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Testimonials */
.testimonials {
    background: #fff;
    padding: 6rem 0;
    color: #111;
    text-align: center;
}

.testimonials h2 {
    font-size: 2.2rem;
    margin-bottom: 4rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.t-card {
    background: #fdfdfd;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    text-align: left;
}

.t-user {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 1.5rem;
}

.t-user img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.t-user h4 {
    font-size: 1.1rem;
}

.t-stars {
    color: #f59e0b;
    font-size: 0.8rem;
    margin-top: 4px;
}

.t-quote {
    font-size: 0.9rem;
    line-height: 1.6;
    opacity: 0.8;
}

.as-featured {
    padding: 0 0 4rem;
}

.feature-logos {
    display: flex;
    align-items: center;
    gap: 3rem;
    opacity: 0.6;
}

.f-logo-item {
    font-weight: 700;
    font-size: 1.2rem;
}

/* Final CTA */
.final-cta {
    background: var(--primary-bg);
    padding: 8rem 0;
    color: #fff;
}

.cta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.cta-bullets {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cta-bullet {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.cta-check {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

/* Footer (Original) */
.large-footer {
    background: #121212;
    padding: 6rem 0 3rem;
    color: #94a3b8;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 4rem;
}

.footer-brand .l-logo {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-legal {
    margin-top: 2rem;
    font-size: 0.75rem;
    opacity: 0.5;
}

.footer-col h4 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: inherit;
    text-decoration: none;
    font-size: 0.9rem;
}

.social-row {
    display: flex;
    gap: 15px;
    margin-top: 2rem;
}

.social-item {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: background 0.2s;
}

.social-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.copyright {
    margin-top: 4rem;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.5;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes modalIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

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

@media (max-width: 992px) {

    .horizontal-steps-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .news-grid,
    .cta-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.auth-page {
    background: var(--primary-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background: white;
    color: #1e293b;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 440px;
}

.auth-card h2 {
    font-family: 'Outfit';
    text-align: center;
    margin-bottom: 2rem;
    color: #111;
    font-size: 1.75rem;
}

.in-group {
    margin-bottom: 1.25rem;
}

.in-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 0.5rem;
}

.c-input {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
}

.c-input input {
    background: transparent;
    border: none;
    outline: none;
    flex: 1;
    font-size: 1rem;
    color: #111;
    width: 100%;
}

.btn-l {
    width: 100%;
    background: #10b981;
    color: white;
    border: none;
    padding: 1.1rem;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 1rem;
    font-size: 1.1rem;
}

/* --- APP PAGES (TOPBAR & CONTENT) --- */
.topbar {
    height: 56px;
    background: var(--app-nav-bg);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    color: #ccc;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.t-logo {
    font-family: 'Outfit';
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    margin-right: 2.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    text-transform: uppercase;
    text-decoration: none;
}

.t-links {
    display: flex;
    height: 100%;
    align-items: center;
    flex: 1;
}

.t-link {
    font-size: 0.85rem;
    color: #ccc;
    text-decoration: none;
    padding: 0 12px;
    display: flex;
    align-items: center;
    height: 100%;
    transition: color 0.2s;
    white-space: nowrap;
    position: relative;
    cursor: pointer;
}

.t-link:hover,
.t-link.active {
    color: #fff;
}

.t-link.arr::after {
    content: ' ▾';
    font-size: 0.7rem;
    opacity: 0.5;
    margin-left: 4px;
}

/* Dropdown Styles */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    transform: none;
    background: #1e1e1e;
    min-width: 160px;
    border-radius: 4px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    display: none;
    flex-direction: column;
    padding: 8px 0;
    z-index: 2000;
}

.nav-dropdown.active {
    display: flex;
}

.dropdown-item {
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #ccc;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.dropdown-item i {
    font-size: 16px;
    color: #94a3b8;
}

.dropdown-item:hover i {
    color: #fff;
}

.dropdown-col {
    display: flex;
    flex-direction: column;
}

.dropdown-title {
    font-size: 13px;
    color: #ccc;
    font-weight: 500;
}

.dropdown-item:hover .dropdown-title {
    color: #fff;
}

.dropdown-desc {
    font-size: 11px;
    color: #666;
    margin-top: 2px;
}

.t-actions {
    display: flex;
    align-items: center;
    height: 100%;
}

.btn-dep {
    background: var(--blue);
    color: white;
    padding: 6px 14px;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.8rem;
    border: none;
    cursor: pointer;
    margin-right: 15px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.t-r {
    font-size: 0.85rem;
    padding: 0 10px;
    cursor: pointer;
    height: 100%;
    display: flex;
    align-items: center;
    color: #ccc;
    text-decoration: none;
}

.t-r:hover {
    color: #fff;
}

.app-main {
    padding: 2rem 5rem;
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    color: #111;
}

.m-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
}

.m-title-row h1 {
    font-size: 1.85rem;
    font-weight: 600;
    color: #111;
}

.m-search {
    background: #fff;
    border: 1px solid #efefef;
    padding: 8px 12px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
    width: 220px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.m-search input {
    border: none;
    outline: none;
    font-size: 0.85rem;
    flex: 1;
    color: #333;
}

/* Market Cards */
.m-ticker-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.t-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.t-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    margin-right: 12px;
}

.t-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: #111;
}

.t-change {
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 4px;
}

.t-spark {
    width: 130px;
    height: 40px;
    background: linear-gradient(to top, rgba(239, 68, 68, 0.05), transparent);
    border-bottom: 2px solid rgba(239, 68, 68, 0.2);
}

.m-tabs-line {
    display: flex;
    gap: 1.5rem;
    border-bottom: 1px solid #eee;
    margin-top: 1rem;
}

.m-tab {
    padding: 12px 10px;
    font-size: 0.85rem;
    color: #999;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.m-tab.active {
    color: #0081ff;
    border-color: #0081ff;
    font-weight: 500;
}

/* Tables */
.m-split-view {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 50px;
    margin-top: 1.5rem;
}

.m-tbl {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.m-tbl th {
    padding: 10px;
    font-size: 0.75rem;
    color: #999;
    font-weight: 500;
    border-bottom: 1px solid #eee;
}

.m-tbl td {
    padding: 16px 10px;
    font-size: 0.9rem;
    border-bottom: 1px solid #fafafa;
    vertical-align: middle;
    color: #333;
}

.m-pair-cell {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.m-tag {
    font-size: 0.65rem;
    color: #aaa;
    padding-left: 4px;
    font-weight: 400;
}

.btn-trade {
    border: 1px solid #0081ff;
    color: #0081ff;
    padding: 6px 20px;
    border-radius: 4px;
    background: transparent;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
}

.up {
    color: var(--up);
}

.down {
    color: var(--down);
}

/* Utility */
#error-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    display: none;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 10000;
    padding: 2rem;
}

/* Modal System */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 2rem;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease forwards;
}

.modal-box {
    background: white;
    width: 100%;
    max-width: 440px;
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    color: #1e293b;
    transform: scale(0.9);
    opacity: 0;
}

.modal-overlay.active .modal-box {
    animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    color: #94a3b8;
    cursor: pointer;
    background: none;
    border: none;
    line-height: 1;
}

.modal-close:hover {
    color: #111;
}

.modal-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: #111;
}

.modal-form-group {
    margin-bottom: 1.5rem;
}

.modal-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 0.5rem;
    display: block;
}

.modal-input-wrap {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-input-wrap input {
    background: transparent;
    border: none;
    outline: none;
    font-size: 1rem;
    flex: 1;
    color: #1e293b;
}

.modal-currency {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.9rem;
}

.modal-currency img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

.modal-swap {
    text-align: center;
    margin: 1rem 0;
    color: #94a3b8;
    font-size: 1.2rem;
}

.modal-btn {
    width: 100%;
    background: #10b981;
    color: white;
    border: none;
    padding: 1.1rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 1rem;
}

.modal-btn:hover {
    background: #059669;
}

.modal-footer-link {
    display: block;
    text-align: center;
    margin-top: 1.25rem;
    color: #8147ff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes modalIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }

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

body.modal-open {
    overflow: hidden;
}