:root {
    --primary-color: #f24941;
    --primary-hover-color: #d93a34;
    --dark-bg: #131316;
    --light-bg: #1e1e24;
    --border-color: #303038;
    --text-color: #e5e5e5;
    --text-muted-color: #8c8c9a;
    --font-family: 'Montserrat', sans-serif;
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
}

* {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    touch-action: manipulation;
}

body { 
    font-family: var(--font-family); 
    background-color: var(--dark-bg); 
    color: var(--text-color); 
    margin: 0; 
    line-height: 1.6; 
    overflow-x: hidden;
    padding-top: var(--safe-area-top);
    padding-bottom: var(--safe-area-bottom);
}

#preloader { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background-color: var(--dark-bg); 
    z-index: 9999; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    transition: opacity 0.5s ease; 
}
.hide-loader { 
    opacity: 0; 
    pointer-events: none; 
}
.loader { 
    width: 60px; 
    height: 60px; 
    border: 5px solid rgba(242, 73, 65, 0.1); 
    border-top: 5px solid var(--primary-color); 
    border-radius: 50%; 
    animation: spin 1s linear infinite; 
}
@keyframes spin { 
    0% { transform: rotate(0deg); } 
    100% { transform: rotate(360deg); } 
}

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

.main-header { 
    background-color: rgba(19, 19, 22, 0.95); 
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color); 
    padding: 15px 0; 
    position: fixed; 
    width: 100%; 
    top: 0; 
    z-index: 1000; 
    padding-top: max(15px, var(--safe-area-top));
}
.header-grid { 
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 20px;
}
.header-left {
    justify-self: start;
}
.header-right { 
    display: flex; 
    justify-content: flex-end; 
    align-items: center;
}
.main-nav { 
    display: flex; 
    gap: 30px; 
    justify-content: center;
}
.logo { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    text-decoration: none; 
    color: #fff; 
    font-weight: 800; 
    font-size: 18px; 
}
.logo-img { 
    height: 35px; 
    width: 35px; 
    border-radius: 25%;
    object-fit: cover;
    background: linear-gradient(135deg, rgba(242, 73, 65, 0.2), rgba(242, 73, 65, 0.4));
    padding: 3px;
    box-sizing: border-box;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.logo:hover .logo-img {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 5px 15px rgba(242, 73, 65, 0.4);
    border-color: rgba(242, 73, 65, 0.3);
}
.menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    font-size: 20px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}
.menu-toggle.active {
    background: var(--light-bg);
    border-color: var(--primary-color);
}

.nav-link { 
    text-decoration: none; 
    color: var(--text-muted-color); 
    font-weight: 600; 
    font-size: 15px; 
    transition: 0.3s; 
    white-space: nowrap;
    padding: 8px 16px;
    border-radius: 8px;
}
.nav-link:hover, 
.nav-link.active { 
    color: #fff; 
    background: rgba(242, 73, 65, 0.1);
}

.btn-login-trigger { 
    background: transparent; 
    color: #fff; 
    border: 1px solid var(--border-color); 
    padding: 10px 20px; 
    border-radius: 10px; 
    font-weight: 600; 
    cursor: pointer; 
    transition: 0.3s; 
    font-size: 14px;
    white-space: nowrap;
    min-height: 44px;
}
.btn-login-trigger:hover { 
    background: var(--light-bg); 
    border-color: var(--primary-color); 
}

.btn-play {
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    gap: 12px;
    background-color: var(--primary-color); 
    color: #fff;
    border: none; 
    padding: 18px 35px; 
    border-radius: 14px;
    font-weight: 700; 
    font-size: 17px; 
    cursor: pointer;
    transition: all 0.3s;
    width: auto;
    min-height: 56px;
}
.btn-play:hover { 
    background-color: var(--primary-hover-color); 
    transform: translateY(-4px); 
    box-shadow: 0 10px 30px rgba(242, 73, 65, 0.3); 
}

.btn-submit {
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    gap: 12px;
    background-color: var(--primary-color); 
    color: #fff;
    border: none; 
    padding: 15px 30px; 
    border-radius: 12px;
    font-weight: 700; 
    font-size: 16px; 
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    margin-top: 10px;
    min-height: 48px;
}
.btn-submit:hover { 
    background-color: var(--primary-hover-color); 
}

.ios-alert {
    position: fixed;
    top: calc(80px + var(--safe-area-top));
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    z-index: 5000;
    background: rgba(0, 0, 0, 0.95);
    color: #fff;
    padding: 12px 24px;
    border-radius: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 0;
    pointer-events: none;
    max-width: 90%;
    text-align: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.ios-alert.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}
.alert-content { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    font-weight: 600; 
    font-size: 14px; 
    justify-content: center;
}
.alert-content i { 
    color: var(--primary-color); 
}

.hero-section { 
    min-height: 100vh; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    position: relative;
    padding: 100px 0 60px;
    box-sizing: border-box;
}
.hero-background { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: radial-gradient(circle at 50% 50%, rgba(242, 73, 65, 0.08) 0%, rgba(19, 19, 22, 0) 70%); 
    z-index: -1; 
}
.hero-content-wrapper { 
    text-align: center; 
    max-width: 900px; 
    width: 100%;
}
.hero-title { 
    font-size: clamp(32px, 8vw, 64px); 
    font-weight: 800; 
    margin-bottom: 20px; 
    line-height: 1.2;
    padding: 0 10px;
}
.hero-title span { 
    color: var(--primary-color); 
}
.hero-subtitle { 
    font-size: clamp(16px, 4vw, 20px); 
    color: var(--text-muted-color); 
    margin-bottom: 40px; 
    padding: 0 15px;
    line-height: 1.6;
}

.beta-toast { 
    position: fixed; 
    bottom: max(25px, var(--safe-area-bottom)); 
    right: 25px; 
    z-index: 1500; 
    background: rgba(30, 30, 36, 0.95); 
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color); 
    border-radius: 20px; 
    padding: 15px; 
    width: 320px; 
    max-width: calc(100% - 50px);
    transform: translateX(150%); 
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); 
}
.beta-toast.visible { 
    transform: translateX(0); 
}
.beta-content { 
    display: flex; 
    align-items: center; 
    gap: 15px; 
}
.beta-icon { 
    background: rgba(242, 73, 65, 0.1); 
    color: var(--primary-color); 
    width: 40px; 
    height: 40px; 
    border-radius: 10px; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    flex-shrink: 0;
}
.beta-info { 
    flex: 1;
}
.beta-info h4 { 
    margin: 0; 
    font-size: 14px; 
}
.beta-info p { 
    margin: 2px 0 0; 
    font-size: 12px; 
    color: var(--text-muted-color); 
}
.beta-close { 
    background: var(--primary-color); 
    color: #fff; 
    border: none; 
    padding: 8px 15px; 
    border-radius: 10px; 
    cursor: pointer; 
    font-weight: 700; 
    font-size: 13px;
    min-height: 36px;
}

.modal-overlay { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    background: rgba(0,0,0,0.7); 
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex; 
    justify-content: center; 
    align-items: center; 
    z-index: 2000; 
    opacity: 0; 
    visibility: hidden; 
    transition: 0.4s;
    padding: 20px;
    box-sizing: border-box;
}
.modal-overlay.active { 
    opacity: 1; 
    visibility: visible; 
}
.ios-modal { 
    background: var(--light-bg); 
    width: 100%; 
    max-width: 400px; 
    padding: 30px 25px; 
    border-radius: 20px; 
    border: 1px solid var(--border-color); 
    text-align: center; 
    transform: scale(0.85); 
    transition: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1); 
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-overlay.active .ios-modal { 
    transform: scale(1); 
}
.close-modal { 
    position: absolute; 
    top: 15px; 
    right: 20px; 
    background: none; 
    border: none; 
    color: var(--text-muted-color); 
    font-size: 28px; 
    cursor: pointer; 
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-header {
    margin-bottom: 20px;
}
.modal-header i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.modal-header h2 {
    margin: 0;
    font-size: 24px;
}

.ip-container { 
    background: var(--dark-bg); 
    padding: 15px 20px; 
    border-radius: 12px; 
    margin: 20px 0; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    border: 1px solid var(--border-color); 
}
#serverIp { 
    font-weight: 700; 
    font-size: 16px;
    word-break: break-all;
    text-align: left;
}
.copy-btn { 
    background: none; 
    border: none; 
    color: var(--primary-color); 
    font-size: 20px; 
    cursor: pointer; 
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-left: 10px;
}
.copy-status { 
    color: #4cd964; 
    font-size: 12px; 
    opacity: 0; 
    transition: 0.3s; 
    margin-top: 5px;
}
.copy-status.show { 
    opacity: 1; 
}

.login-form { 
    display: flex; 
    flex-direction: column; 
    gap: 15px; 
    margin-top: 20px; 
}
.input-group input { 
    width: 100%; 
    background: var(--dark-bg); 
    border: 1px solid var(--border-color); 
    padding: 15px; 
    border-radius: 12px; 
    color: #fff; 
    font-family: inherit; 
    box-sizing: border-box; 
    font-size: 16px;
    min-height: 48px;
}
.input-group input:focus { 
    border-color: var(--primary-color); 
    outline: none; 
}

@media (max-width: 768px) {
    .header-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .main-nav {
        position: fixed;
        top: calc(70px + var(--safe-area-top));
        left: 50%;
        transform: translateX(-50%) translateY(-20px);
        background: rgba(30, 30, 36, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: 20px;
        padding: 20px;
        flex-direction: column;
        gap: 15px;
        width: 250px;
        transition: all 0.3s ease;
        z-index: 1001;
        box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        opacity: 0;
        visibility: hidden;
    }
    
    .main-nav.mobile-visible {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-link {
        padding: 12px 20px;
        border-radius: 10px;
        background: rgba(255,255,255,0.05);
        text-align: center;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: rgba(242, 73, 65, 0.1);
        color: var(--primary-color);
    }
    
    .header-grid {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 16px;
    }
    
    .logo-img {
        height: 30px;
        width: 30px;
    }
    
    .btn-login-trigger {
        padding: 8px 16px;
        font-size: 13px;
        min-height: 40px;
    }
    
    .hero-section {
        padding: 100px 15px 60px;
    }
    
    .hero-title {
        font-size: clamp(28px, 7vw, 42px);
    }
    
    .hero-subtitle {
        font-size: clamp(15px, 3.5vw, 18px);
    }
    
    .btn-play {
        padding: 16px 30px;
        font-size: 16px;
        width: 100%;
        max-width: 280px;
    }
    
    .ios-modal {
        padding: 25px 20px;
        border-radius: 18px;
    }
    
    .beta-toast {
        bottom: max(20px, var(--safe-area-bottom));
        right: 20px;
        left: 20px;
        width: auto;
        max-width: none;
    }
    
    .ios-alert {
        top: calc(90px + var(--safe-area-top));
        width: 90%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .btn-play {
        padding: 14px 25px;
        font-size: 15px;
    }
    
    .ios-modal {
        padding: 20px 15px;
    }
    
    .modal-header h2 {
        font-size: 20px;
    }
    
    .modal-header i {
        font-size: 40px;
    }
    
    .beta-toast {
        padding: 12px;
    }
    
    .beta-content {
        gap: 12px;
    }
    
    .beta-icon {
        width: 35px;
        height: 35px;
    }
}

@supports (padding: max(0px)) {
    .main-header,
    .hero-section,
    .beta-toast {
        padding-left: max(20px, env(safe-area-inset-left));
        padding-right: max(20px, env(safe-area-inset-right));
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-title {
        font-size: clamp(36px, 6vw, 48px);
    }
    
    .btn-play {
        padding: 16px 35px;
    }
}

@media (prefers-color-scheme: dark) {
    .ios-modal {
        background: #1c1c1e;
    }
    
    .beta-toast {
        background: rgba(28, 28, 30, 0.95);
    }
    
    .logo-img {
        border-color: rgba(255, 255, 255, 0.15);
        background: linear-gradient(135deg, rgba(242, 73, 65, 0.15), rgba(242, 73, 65, 0.3));
    }
}

.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}