/* About Me Page Styles */
@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@300;400;500;600;700&display=swap');

/* Hero Section */
.about-hero {
    background: #bbd2c5; /* fallback for old browsers */
    background: -webkit-linear-gradient(
        to right,
        #bbd2c5,
        #536976
    ); /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(
        to right,
        #bbd2c5,
        #536976
    ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 60px 0;
    font-family: 'Raleway', sans-serif;
}

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

/* Header */
.about-header {
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.about-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.edit-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.edit-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Body Layout */
.about-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* Profile Section */
.profile-section {
    display: flex;
    justify-content: center;
}

.profile-image-container {
    position: relative;
    width: 400px;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.profile-image-container:hover {
    transform: translateY(-5px);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.profile-image-container:hover .profile-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 30px 20px 20px;
    color: white;
    text-align: center;
}

.overlay-text {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 1px;
}

/* Content Section */
.content-section {
    color: white;
}

.intro-text {
    margin-bottom: 50px;
}

.greeting {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: #ffd700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.description {
    font-size: 1.2rem;
    line-height: 1.6;
    opacity: 0.95;
    margin: 0;
}

/* Connect Section */
.connect-section {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.connect-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 25px;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 25px;
    border-radius: 15px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    min-width: 120px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s ease;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    color: white;
    text-decoration: none;
    border-color: rgba(255, 255, 255, 0.4);
}

.social-link i {
    font-size: 1.8rem;
    transition: transform 0.3s ease;
}

.social-link:hover i {
    transform: scale(1.2);
}

.social-link span {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.social-link.facebook:hover {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
    border-color: #1877f2;
    box-shadow: 0 15px 35px rgba(24, 119, 242, 0.4);
}

.social-link.youtube:hover {
    background: linear-gradient(135deg, #ff0000, #ff4444);
    border-color: #ff0000;
    box-shadow: 0 15px 35px rgba(255, 0, 0, 0.4);
}

.social-link.zalo:hover {
    background: linear-gradient(135deg, #0068ff, #4dabf7);
    border-color: #0068ff;
    box-shadow: 0 15px 35px rgba(0, 104, 255, 0.4);
}

/* Modal Styles */
.modern-modal {
    border: none;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.modern-modal .modal-header {
    background: linear-gradient(135deg, #bbd2c5, #536976);
    color: white;
    border: none;
    padding: 25px 30px;
}

.modern-modal .modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.modern-modal .btn-close {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    opacity: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.modern-modal .btn-close:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.modern-modal .btn-close i {
    font-size: 1rem;
}

.modern-modal .modal-body {
    padding: 30px;
}

.modern-modal .modal-footer {
    background: #f8f9fa;
    border: none;
    padding: 20px 30px;
    gap: 15px;
}

.modern-modal .btn {
    padding: 12px 25px;
    border-radius: 10px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.modern-modal .btn-primary {
    background: linear-gradient(135deg, #bbd2c5, #536976);
    border: none;
    position: relative;
    overflow: hidden;
}

.modern-modal .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.modern-modal .btn-primary:hover::before {
    left: 100%;
}

.modern-modal .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, #a8c4a8, #4a5a6a);
}

/* Upload Section */
.upload-section {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.upload-area {
    border: 3px dashed #dee2e6;
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    background: #f8f9fa;
    transition: all 0.3s ease;
    cursor: pointer;
    width: 100%;
    max-width: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: #bbd2c5;
    background: rgba(187, 210, 197, 0.1);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.upload-icon {
    font-size: 3rem;
    color: #6c757d;
}

.upload-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #495057;
    margin: 0;
}

.upload-text {
    color: #6c757d;
    margin: 0;
}

.file-input {
    display: none;
}

.upload-btn {
    background: linear-gradient(135deg, #bbd2c5, #536976);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 10px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.upload-btn:hover::before {
    left: 100%;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, #a8c4a8, #4a5a6a);
}

/* Preview Section */
.preview-section {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.preview-container {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
}

.preview-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preview-container:hover .preview-overlay {
    opacity: 1;
}

.change-btn {
    background: rgba(255, 255, 255, 0.9);
    color: #495057;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.change-btn:hover {
    background: white;
    transform: translateY(-2px);
}

/* QR Modal */
.qr-container {
    padding: 20px;
}

.qr-image {
    max-width: 250px;
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.qr-text {
    margin-top: 15px;
    color: #6c757d;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-hero {
        min-height: auto;
        padding: 70px 0;
    }

    .about-title {
        font-size: 2.5rem;
        flex-direction: column;
        gap: 15px;
    }

    .about-body {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .profile-image-container {
        width: 300px;
        height: 400px;
    }

    .greeting {
        font-size: 2rem;
    }

    .description {
        font-size: 1.1rem;
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .social-link {
        width: 200px;
    }

    .modern-modal .modal-dialog {
        margin: 20px;
    }

    .upload-section {
        min-height: 250px;
    }

    .upload-area {
        padding: 30px 20px;
        max-width: 100%;
    }

    .upload-icon {
        font-size: 2.5rem;
    }

    .upload-title {
        font-size: 1.1rem;
    }

    .preview-container {
        max-width: 100%;
    }

    .preview-image {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .about-content {
        padding: 0 15px;
    }

    .about-title {
        font-size: 2rem;
    }

    .profile-image-container {
        width: 250px;
        height: 350px;
    }

    .greeting {
        font-size: 1.8rem;
    }

    .connect-section {
        padding: 20px;
    }

    .modern-modal .modal-body {
        padding: 20px;
    }

    .modern-modal .modal-footer {
        padding: 15px 20px;
        flex-direction: column;
    }

    .modern-modal .btn {
        width: 100%;
        justify-content: center;
    }
}