:root {
    --primary: #ff4d6d;
    --primary-hover: #ff758f;
    --bg-dark: #0f0c29;
    --bg-gradient: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-white: #ffffff;
    --text-muted: #a0a0c0;
    --card-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-white);
    min-height: 100vh;
    overflow-x: hidden;
}

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    padding: 40px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    width: 100%;
    max-width: 450px;
}

h1, h2, h3 {
    margin-bottom: 20px;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(to right, #ff4d6d, #ffb3c1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    outline: none;
    transition: var(--transition);
}

input:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.btn {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: none;
    background: var(--primary);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 77, 109, 0.3);
}

.btn-outline {
    background: transparent !important;
    border: 2px solid var(--primary) !important;
    color: var(--text-white) !important;
}

.btn-outline:hover {
    background: var(--primary) !important;
    color: white !important;
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--glass-border) !important;
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: var(--primary) !important;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-links .btn {
    font-size: 0.9rem;
    padding: 10px 20px;
    text-transform: none;
    letter-spacing: 0;
}

.coin-pack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
    width: 100%;
}

@media (max-width: 600px) {
    .coin-pack-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Grid for profiles */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    padding: 40px 5%;
}

.profile-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-top: 4px solid var(--primary); /* Added a top accent border instead of image */
}

.profile-info {
    padding: 20px;
}

.prof.animate-fade {
    animation: fadeIn 0.6s ease-out forwards;
}

.icon-btn {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    color: var(--primary);
    transform: scale(1.1);
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
}

.animate-pulse {
    animation: pulse 1.5s infinite ease-in-out;
}

.message img {
    max-width: 100%;
    border-radius: 12px;
    display: block;
    margin: 5px 0;
}

.message audio {
    height: 35px;
    margin: 5px 0;
    max-width: 100%;
}

/* Custom width for media messages */
.message:has(img), .message:has(audio) {
    background: rgba(255, 255, 255, 0.05);
}

.message.sent:has(img), .message.sent:has(audio) {
    background: var(--primary);
}

.profile-name {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.profile-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

/* Chat Styles */
.chat-container {
    display: grid;
    grid-template-columns: 350px 1fr;
    height: calc(100vh - 80px);
    margin: 20px 5%;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    overflow: hidden;
}

.chat-sidebar {
    border-right: 1px solid var(--glass-border);
    overflow-y: auto;
}

.chat-user-item {
    display: flex;
    flex-direction: column;
    padding: 15px 20px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.chat-main {
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: 20px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.1);
}

.messages-list {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 70%;
    padding: 12px 18px;
    border-radius: 18px;
    font-size: 0.95rem;
    position: relative;
}

.message.sent {
    align-self: flex-end;
    background: var(--primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.received {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.1);
    border-bottom-left-radius: 4px;
}

.chat-input-area {
    padding: 20px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    gap: 10px;
}

.chat-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    padding: 12px 20px;
    color: white;
    outline: none;
}

/* Animations */
/* Responsive Styles */
@media (max-width: 1024px) {
    .chat-container {
        margin: 10px;
        grid-template-columns: 280px 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        flex-direction: row;
        justify-content: space-between;
        padding: 12px 15px;
    }

    .nav h1 {
        font-size: 1.2rem !important;
        margin-bottom: 0;
    }

    .nav-links {
        gap: 8px;
    }

    .nav-links a {
        font-size: 0.8rem;
    }

    .nav-links {
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links .btn {
        padding: 8px 15px;
        font-size: 0.8rem;
    }

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

    .profile-grid {
        grid-template-columns: 1fr;
        padding: 20px 5%;
    }

    /* Mobile Chat Logic */
    .chat-container {
        grid-template-columns: 1fr;
        height: calc(100dvh - 120px);
        margin: 10px;
    }

    .chat-sidebar {
        display: block; /* Default view */
    }

    .chat-main {
        display: none; /* Hide chat main by default on mobile */
    }

    /* When a chat is active on mobile */
    .chat-active .chat-sidebar {
        display: none;
    }

    .chat-active .chat-main {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 2000;
        background: var(--bg-dark);
        height: 100dvh; /* Use dynamic viewport height */
        width: 100vw;
    }

    .chat-header {
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .mobile-back-btn {
        display: flex !important;
    }

    .chat-input-area {
        padding: 15px;
        padding-bottom: max(15px, env(safe-area-inset-bottom)); /* Support for notch/home bar */
        background: var(--bg-dark);
        border-top: 1px solid var(--glass-border);
    }
}

.mobile-back-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem !important;
    }
    
    .glass-card {
        padding: 25px;
    }
}

/* Multimedia Styles */
.icon-btn {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    color: var(--primary);
    transform: scale(1.1);
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
}

.animate-pulse {
    animation: pulse 1.5s infinite ease-in-out;
}

.message img {
    max-width: 100%;
    border-radius: 12px;
    display: block;
    margin: 5px 0;
}

.message audio {
    height: 35px;
    margin: 5px 0;
    max-width: 100%;
}

.message:has(img), .message:has(audio) {
    background: rgba(255, 255, 255, 0.05);
}

.message.sent:has(img), .message.sent:has(audio) {
    background: var(--primary);
}