* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    height: 100vh;
}

/* Mobile App Wrap */
.mobile-container {
    width: 100%;
    max-width: 480px; /* Mobile width */
    background-color: #fff;
    height: 100%;
    position: relative;
    overflow: hidden;
    border-left: 3px solid #000;
    border-right: 3px solid #000;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

/* Login Screen Styles */
.login-wrapper {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

h1 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 10px;
    color: #000;
}

p {
    color: #555;
    margin-bottom: 30px;
    font-weight: 600;
    font-size: 16px;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    font-weight: 800;
    margin-bottom: 8px;
    font-size: 14px;
    text-transform: uppercase;
}

/* Neo-brutalism Input */
input[type="number"] {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    border: 3px solid #000;
    border-radius: 8px;
    outline: none;
    background: #fff;
    font-weight: bold;
    transition: all 0.2s;
}

input[type="number"]:focus {
    background: #e8f0fe;
    box-shadow: 4px 4px 0px #000;
}

/* Pop UI Button */
.btn {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    font-weight: 900;
    color: #000;
    background-color: #ffe600; /* Vibrant Yellow */
    border: 3px solid #000;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 4px 4px 0px #000; /* Solid Drop Shadow */
    transition: all 0.1s ease;
    text-transform: uppercase;
}

.btn:active {
    transform: translate(4px, 4px); /* Button press effect */
    box-shadow: 0px 0px 0px #000;
}
/* --- Navbar & Top Bar --- */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 3px solid #000;
    background: #fff;
    font-weight: 900;
}

.points-badge {
    background: #ffe600;
    padding: 5px 12px;
    border: 2px solid #000;
    border-radius: 20px;
    font-size: 14px;
    box-shadow: 2px 2px 0px #000;
    cursor: pointer;
}

/* --- Feed & Cards --- */
.feed-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f4f4f9;
}

.profile-card {
    background: #fff;
    border: 3px solid #000;
    border-radius: 12px;
    margin-bottom: 25px;
    overflow: hidden;
    box-shadow: 4px 4px 0px #000;
    transition: transform 0.2s;
}

.profile-img-box {
    width: 100%;
    height: 350px;
    background: #ccc;
    border-bottom: 3px solid #000;
}

.profile-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info {
    padding: 15px;
}

.profile-info h2 {
    font-size: 24px;
    margin-bottom: 5px;
}

.profile-info p {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.action-buttons {
    display: flex;
    gap: 10px;
}

.btn-chat {
    flex: 1;
    padding: 12px;
    background: #00e5ff; /* Cyan pop color */
    border: 3px solid #000;
    font-weight: 900;
    text-align: center;
    text-decoration: none;
    color: #000;
    border-radius: 8px;
    box-shadow: 3px 3px 0px #000;
    text-transform: uppercase;
}

.btn-chat:active {
    transform: translate(3px, 3px);
    box-shadow: 0px 0px 0px #000;
}
/* --- Chat Interface --- */
.chat-header {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #fff;
    border-bottom: 3px solid #000;
}
.chat-header a { text-decoration: none; font-size: 20px; margin-right: 15px; font-weight: bold; color: #000; }
.chat-header h2 { font-size: 18px; }

.chat-box {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #f4f4f9;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.msg-bubble {
    max-width: 75%;
    padding: 12px 16px;
    border: 3px solid #000;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
}

.msg-sent {
    align-self: flex-end;
    background: #ffe600; /* Yellow */
    box-shadow: -3px 3px 0px #000;
    border-bottom-right-radius: 0;
}

.msg-received {
    align-self: flex-start;
    background: #fff;
    box-shadow: 3px 3px 0px #000;
    border-bottom-left-radius: 0;
}

/* --- Chat Input Area --- */
.chat-input {
    display: flex;
    padding: 15px;
    background: #fff;
    border-top: 3px solid #000;
}
.chat-input input {
    flex: 1;
    padding: 12px;
    border: 3px solid #000;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    outline: none;
}
.chat-input button {
    margin-left: 10px;
    padding: 0 20px;
    background: #00e5ff;
    border: 3px solid #000;
    border-radius: 8px;
    font-weight: 900;
    box-shadow: 3px 3px 0px #000;
    cursor: pointer;
}
.chat-input button:active { transform: translate(3px, 3px); box-shadow: 0 0 0 #000; }

/* --- Paywall Modal (Chat Lock) --- */
.modal-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    display: none; justify-content: center; align-items: center; z-index: 100;
}
.modal-content {
    background: #fff; border: 4px solid #000; padding: 30px;
    width: 85%; border-radius: 12px; text-align: center;
    box-shadow: 6px 6px 0px #ffe600;
}
.modal-content h2 { margin-bottom: 10px; font-size: 24px; color: #ff0055; }
.modal-content p { margin-bottom: 20px; font-weight: bold; }

/* --- Wallet & Pricing Plans --- */
.wallet-header {
    text-align: center;
    padding: 30px 20px;
    background: #00e5ff;
    border-bottom: 3px solid #000;
}
.wallet-header h1 { font-size: 40px; margin-bottom: 5px; }
.wallet-header p { font-weight: bold; color: #000; margin-bottom: 0; }

.plans-container {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: #f4f4f9;
    flex: 1;
    overflow-y: auto;
}

.plan-card {
    background: #fff;
    border: 3px solid #000;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 4px 4px 0px #000;
    transition: transform 0.1s;
}

.plan-info h3 { font-size: 22px; color: #000; margin-bottom: 5px; }
.plan-info p { margin-bottom: 0; color: #555; font-size: 14px; }

.plan-price-btn {
    background: #ffe600;
    border: 3px solid #000;
    padding: 10px 20px;
    font-weight: 900;
    font-size: 18px;
    border-radius: 8px;
    box-shadow: 2px 2px 0px #000;
    cursor: pointer;
}
.plan-price-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 #000;
}