@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --bg-gradient-start: #3a86ff;
    --bg-gradient-end: #8338ec;
    --card-bg: #ffffff;
    --text-color: #333333;
    --text-muted: #666666;
    --border-radius: 12px;
    --input-bg: #f8f9fa;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
}

.container {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    box-sizing: border-box;
}

.main-card {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.logo-area {
    margin-bottom: 2rem;
}

.logo-area h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(to right, var(--bg-gradient-start), var(--bg-gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-area p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
}

@media (min-width: 600px) {
    .input-group {
        flex-direction: row;
        align-items: center;
        background: var(--input-bg);
        border: 2px solid #e9ecef;
        border-radius: var(--border-radius);
        padding: 5px;
    }
}

.url-input {
    flex-grow: 1;
    padding: 15px 20px;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.3s;
    background: var(--input-bg);
}

@media (min-width: 600px) {
    .url-input {
        border: none;
        background: transparent;
        margin: 0;
    }
}

.url-input:focus {
    border-color: var(--bg-gradient-start);
}

.paste-btn {
    position: absolute;
    right: 140px;
    /* Adjust based on download button width */
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-weight: 600;
    display: none;
    /* Hidden on mobile by default or handled via JS */
}

@media (min-width: 600px) {
    .paste-btn {
        display: block;
        position: static;
        transform: none;
        padding: 0 15px;
    }
}

.download-btn {
    padding: 15px 30px;
    background: linear-gradient(to right, #3a86ff, #8338ec);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(58, 134, 255, 0.4);
}

.download-btn:active {
    transform: translateY(0);
}

.download-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.error-message {
    margin-top: 1rem;
    padding: 10px;
    background-color: #ffe5e5;
    color: #d63031;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
}

.error-message.visible {
    display: block;
}

.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 4rem;
    color: white;
    text-align: center;
}

@media (min-width: 768px) {
    .features {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.9rem;
    opacity: 0.9;
}

footer {
    margin-top: auto;
    padding: 2rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    text-align: center;
}

/* Monetization Styles */
.header-nav {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    padding: 1rem 2rem;
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
}

.get-app-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    backdrop-filter: blur(5px);
    transition: background 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.get-app-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}

.ad-container {
    width: 100%;
    max-width: 728px;
    height: 90px;
    background-color: #e9ecef;
    border: 2px dashed #ced4da;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-weight: bold;
    margin: 2rem auto;
    border-radius: 8px;
}

.ad-large {
    height: 280px;
    max-width: 100%;
}

@media (max-width: 768px) {
    .ad-container {
        height: 250px;
        /* Square ad for mobile */
        max-width: 300px;
    }
}