/*
Theme Name: Bomboclat AI Theme
Author: Nhóm Bomboclat
Description: Giao diện tóm tắt văn bản bằng AI cực xịn.
Version: 1.0
*/
html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #007bff, #00d4ff);
    color: #333;
    padding-top: 15%; /* Đẩy khung content xuống thấp 15% */
}

.ai-input-container {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px); /* Hiệu ứng kính mờ rõ hơn */
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    max-width: 500px;
    width: 100%;
}
.tab-header {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    justify-content: center;
}
.tab-btn {
    padding: 12px 25px;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: bold;
    color: #555;
    border-bottom: 3px solid transparent;
    transition: color 0.3s, border-bottom 0.3s;
}
.tab-btn.active {
    color: #007bff;
    border-bottom: 3px solid #007bff;
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

/* Style cho các ô nhập liệu */
.modern-input, .modern-textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 16px;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}
.submit-btn {
    width: 100%;
    padding: 15px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background 0.3s, transform 0.2s;
}
.submit-btn:hover {
    background: #0056b3;
    transform: scale(1.05);
}
.upload-zone {
    text-align: center;
    border: 2px dashed #007bff;
    border-radius: 10px;
    padding: 20px;
    background: rgba(0, 123, 255, 0.1);
    transition: background 0.3s;
}
.upload-zone:hover {
    background: rgba(0, 123, 255, 0.2);
}
.upload-label {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 20px;
    background: #007bff;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}
.upload-label:hover {
    background: #0056b3;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; }}

/* Header styles */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}
.logo-title {
    display: flex;
    align-items: center;
    gap: -20px;
}
.logo {
    width: 110px;
    height: 80px;
}

/* Footer styles */
.main-footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    width: 100%;
    margin-top: auto;
}
.social-links {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 15px;
}
.social-icon {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}
.social-icon:hover {
    color: #00d4ff;
}

/* Navigation styles */
.main-nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}
.main-nav ul li a {
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
    transition: color 0.3s;
}
.main-nav ul li a:hover {
    color: #0056b3;
}

/* Footer details */
.footer-details {
    margin-top: 10px;
    font-size: 14px;
    color: #ccc;
}
.footer-details a {
    color: #00d4ff;
    text-decoration: none;
}
.footer-details a:hover {
    text-decoration: underline;
}