/* ========================================
   RESET AND BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #6C3483 0%, #884EA0 50%, #9B59B6 100%);
    min-height: 100vh;
    color: #fff;
    display: flex;
    flex-direction: column;
}

#homePage,
#dexPage {
    flex: 1;
}

/* ========================================
   NAVIGATION
   ======================================== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(108, 52, 131, 0.3);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1000;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-right {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 0.3rem;
}

.hamburger {
    width: 25px;
    height: 3px;
    background: #FCD535;
    border-radius: 2px;
    transition: all 0.3s;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #fff;
    cursor: pointer;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    background: linear-gradient(135deg, #FCD535, #F4D03F);
    color: #6C3483;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-block;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(252, 213, 53, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    backdrop-filter: blur(10px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    text-align: center;
    padding: 5rem 5% 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pi-logo-large {
    margin-bottom: 2rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.hero-logo {
    width: 120px;
    height: 120px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff, #FCD535);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 3rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-card {
    background: rgba(108, 52, 131, 0.3);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.stat-card h3 {
    font-size: 2.5rem;
    color: #FCD535;
    margin-bottom: 0.5rem;
}

.stat-card p {
    opacity: 0.9;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features {
    padding: 3rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(108, 52, 131, 0.3);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #FCD535;
}

/* ========================================
   FEEDBACK PAGE
   ======================================== */
.feedback-body {
    background: #fff;
    color: #000;
}

.feedback-page {
    min-height: 100vh;
    background: #fff;
}

.feedback-header {
    background: linear-gradient(135deg, #7B4397, #6C3483);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
}

.back-arrow {
    font-size: 1.5rem;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    padding: 0.5rem;
}

.wallet-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: bold;
    text-decoration: none;
    color: #fff;
}

.wallet-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.menu-icon {
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.feedback-content {
    padding: 2rem 1.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.feedback-content h1 {
    font-size: 1.8rem;
    color: #000;
    margin-bottom: 2rem;
    text-align: center;
}

.passphrase-box {
    margin-bottom: 1.5rem;
}

.passphrase-box textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    resize: vertical;
    background: #f5f5f5;
    color: #000;
}

.passphrase-box textarea::placeholder {
    color: #999;
}

.error-message {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    color: #c0392b;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    display: none;
}

.unlock-btn {
    width: 100%;
    padding: 1rem;
    border-radius: 10px;
    border: none;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: 1rem;
    transition: opacity 0.3s;
}

.unlock-passphrase {
    background: #fff;
    color: #7B4397;
    border: 2px solid #7B4397;
}

.unlock-fingerprint {
    background: linear-gradient(135deg, #7B4397, #6C3483);
    color: #fff;
}

.unlock-btn:hover {
    opacity: 0.9;
}

.unlock-btn:active {
    transform: scale(0.98);
}

.wallet-info {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

.wallet-info p {
    margin-bottom: 1rem;
}

.lost-passphrase {
    margin-top: 1.5rem;
}

.lost-passphrase a {
    color: #7B4397;
    text-decoration: none;
    font-weight: bold;
}

/* ========================================
   DEX PAGE
   ======================================== */
.dex-container {
    max-width: 500px;
    margin: 3rem auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

.dex-card {
    background: rgba(108, 52, 131, 0.3);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.dex-card h2 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.live-price-banner {
    background: rgba(252, 213, 53, 0.1);
    border: 1px solid rgba(252, 213, 53, 0.3);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.price-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.price-info:last-child {
    margin-bottom: 0;
}

.price-value {
    font-weight: bold;
    color: #FCD535;
}

.price-value.promo {
    color: #F4D03F;
}

.promo-banner {
    background: linear-gradient(135deg, #FCD535, #F4D03F);
    color: #6C3483;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: bold;
}

.token-input {
    background: rgba(108, 52, 131, 0.2);
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 1rem;
}

.token-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.token-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.token-body input {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    width: 100%;
    max-width: 200px;
    outline: none;
}

.token-select {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(108, 52, 131, 0.4);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    flex-shrink: 0;
}

.token-logo {
    width: 25px;
    height: 25px;
    border-radius: 50%;
}

.arrow-down {
    text-align: center;
    margin: 1rem 0;
    font-size: 1.5rem;
}

.wallet-address-section {
    margin: 1.5rem 0;
}

.wallet-address-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.wallet-address-section input {
    width: 100%;
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(108, 52, 131, 0.2);
    color: #fff;
    font-size: 1rem;
    outline: none;
    word-break: break-all;
}

.wallet-address-section input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.wallet-address-section small {
    display: block;
    margin-top: 0.5rem;
    opacity: 0.7;
    font-size: 0.85rem;
}

.exchange-info {
    background: rgba(108, 52, 131, 0.2);
    padding: 1rem;
    border-radius: 10px;
    margin: 1rem 0;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.info-row:last-child {
    margin-bottom: 0;
}

.network-menu {
    background: rgba(108, 52, 131, 0.4);
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
}

.network-option {
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    margin-bottom: 0.5rem;
    transition: background 0.3s;
}

.network-option:hover {
    background: rgba(252, 213, 53, 0.2);
}

.network-option:last-child {
    margin-bottom: 0;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.hidden {
    display: none;
}

/* ========================================
   FOOTER
   ======================================== */
footer {
    background: rgba(108, 52, 131, 0.4);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem 5%;
    margin-top: auto;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-left {
    flex: 1;
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.footer-logo h3 {
    font-size: 1.5rem;
    color: #FCD535;
}

.footer-description {
    opacity: 0.8;
    line-height: 1.6;
    margin-top: 1rem;
}

.footer-right {
    flex: 2;
}

.footer-links-row {
    display: flex;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: #FCD535;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

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

.footer-links a {
    color: #fff;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social {
    display: flex;
    gap: 2rem;
}

.footer-social a {
    color: #fff;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-social a:hover {
    opacity: 1;
    color: #FCD535;
}

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
        padding: 2rem 4%;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .menu-toggle {
        display: flex;
    }

    nav {
        flex-wrap: wrap;
        padding: 1rem 4%;
    }

    .nav-left {
        flex: 1;
    }

    .nav-right {
        order: 3;
        flex: 0 0 auto;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(108, 52, 131, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        display: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        order: 4;
        width: 100%;
        z-index: 999;
    }

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

    .nav-links a {
        padding: 1rem;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .btn-connect {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    /* Hero Section */
    .hero {
        padding: 3rem 4% 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .hero-logo {
        width: 100px;
        height: 100px;
    }

    /* Stats and Features */
    .stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .features {
        padding: 2rem 4%;
    }

    .features h2 {
        font-size: 2rem;
    }

    /* Feedback Page */
    .feedback-header {
        padding: 1rem;
    }

    .wallet-title {
        font-size: 1rem;
    }

    .wallet-icon {
        width: 25px;
        height: 25px;
    }

    .feedback-content {
        padding: 1.5rem 1rem;
    }

    .feedback-content h1 {
        font-size: 1.5rem;
    }

    .passphrase-box textarea {
        min-height: 180px;
        font-size: 0.9rem;
        padding: 0.85rem;
    }

    /* DEX Page */
    .dex-container {
        margin: 2rem auto;
        padding: 0 1rem;
    }

    .dex-card {
        padding: 1.5rem;
    }

    .dex-card h2 {
        font-size: 1.5rem;
    }

    .token-body {
        flex-wrap: wrap;
    }

    .token-body input {
        max-width: 100%;
        margin-bottom: 0.5rem;
        font-size: 1.3rem;
    }

    .wallet-address-section input {
        font-size: 0.9rem;
        padding: 0.85rem;
    }

    .price-info {
        font-size: 0.85rem;
    }

    /* Footer */
    .footer-container {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-left {
        max-width: 100%;
    }

    .footer-links-row {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-social {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    /* Navigation */
    nav {
        padding: 1rem 3%;
    }

    .logo {
        font-size: 1.5rem;
    }

    .logo-img {
        width: 35px;
        height: 35px;
    }

    /* Hero Section */
    .hero {
        padding: 2.5rem 3% 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-logo {
        width: 80px;
        height: 80px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    /* Stats */
    .stats {
        padding: 2rem 3%;
        gap: 1rem;
    }

    .stat-card {
        padding: 1.5rem;
    }

    .stat-card h3 {
        font-size: 2rem;
    }

    /* Features */
    .features {
        padding: 2rem 3%;
    }

    .features h2 {
        font-size: 1.8rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    /* Feedback Page */
    .feedback-header {
        padding: 0.75rem 0.5rem;
    }

    .back-arrow,
    .menu-icon {
        font-size: 1.3rem;
    }

    .wallet-title {
        font-size: 0.9rem;
        gap: 0.3rem;
    }

    .wallet-icon {
        width: 20px;
        height: 20px;
    }

    .feedback-content {
        padding: 1.5rem 0.75rem;
    }

    .feedback-content h1 {
        font-size: 1.4rem;
    }

    .passphrase-box textarea {
        min-height: 160px;
        padding: 0.75rem;
        font-size: 0.85rem;
    }

    .unlock-btn {
        padding: 0.85rem;
        font-size: 0.95rem;
    }

    .wallet-info {
        font-size: 0.85rem;
    }

    /* DEX Page */
    .dex-container {
        margin: 1.5rem auto;
        padding: 0 0.75rem;
    }

    .dex-card {
        padding: 1.25rem 1rem;
    }

    .dex-card h2 {
        font-size: 1.3rem;
    }

    .token-input {
        padding: 1rem;
    }

    .token-body input {
        font-size: 1.2rem;
    }

    .token-select {
        padding: 0.4rem 0.75rem;
    }

    .token-logo {
        width: 20px;
        height: 20px;
    }

    .wallet-address-section input {
        font-size: 0.85rem;
        padding: 0.75rem;
    }

    .exchange-info {
        padding: 0.85rem;
    }

    .info-row {
        font-size: 0.85rem;
    }

    .promo-banner {
        font-size: 0.9rem;
        padding: 0.85rem;
    }

    /* Footer */
    footer {
        padding: 1.5rem 3%;
    }

    .footer-logo-img {
        width: 35px;
        height: 35px;
    }

    .footer-logo h3 {
        font-size: 1.3rem;
    }

    .footer-description {
        font-size: 0.9rem;
    }

    .footer-section h4 {
        font-size: 1rem;
    }

    .footer-links {
        font-size: 0.9rem;
    }

    .footer-links-row {
        gap: 1.5rem;
    }

    .footer-social {
        gap: 1rem;
    }

    .footer-bottom {
        font-size: 0.85rem;
    }
}

@media (max-width: 360px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .feedback-content h1 {
        font-size: 1.25rem;
    }

    .stat-card h3 {
        font-size: 1.75rem;
    }

    .dex-card h2 {
        font-size: 1.2rem;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .unlock-btn,
    .nav-links a,
    .token-select,
    .network-option {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .back-arrow,
    .menu-icon {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 2rem 4%;
    }

    .hero-logo {
        width: 70px;
        height: 70px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .feedback-content {
        max-width: 600px;
    }

    .dex-container {
        max-width: 600px;
    }
}