/* Custom CSS cho text.io.vn */

:root {
    --primary-color: #0049F8;
    --primary-hover: #0039d4;
    --text-dark: #1a1a1a;
    --text-muted: #6c757d;
    --border-color: #e9ecef;
    --bg-light: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
}

/* Override Bootstrap primary color */
.text-primary {
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: none;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: none;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(0, 73, 248, 0.1);
}

/* Hero Section */
.hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.min-vh-75 {
    min-height: 75vh;
}

.hero-image {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 1px solid var(--border-color);
}

/* Feature Cards */
.feature-card {
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: none;
}

/* Forms */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 73, 248, 0.1);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 73, 248, 0.1);
}

/* Cards */
.card {
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.card-body {
    padding: 2rem;
}

/* Converter specific styles */
.converter-container {
    max-width: 1000px;
    margin: 0 auto;
}

.converter-textarea {
    min-height: 200px;
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
}

.conversion-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.btn-converter {
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-converter:hover {
    background-color: #dee2e6;
    border-color: #adb5bd;
    color: var(--text-dark);
    transform: none;
}

.btn-converter.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Action buttons */
.action-buttons {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.btn-action {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: #333;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-action:hover {
    background-color: #f8f9fa;
    border-color: #adb5bd;
    color: #333;
    transform: none;
}

.btn-action i {
    color: #333;
}

.text-statistics {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
}

footer a {
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--primary-color) !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
        text-align: center;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.25rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .conversion-buttons {
        justify-content: center;
    }
    
    .btn-converter {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .text-statistics {
        font-size: 0.8rem;
        padding: 0.75rem;
    }
    
    .text-statistics span {
        display: block;
        margin: 0.25rem 0;
    }
    
    .text-statistics .mx-3 {
        display: none;
    }
}

/* Utilities */
.fw-semibold {
    font-weight: 600;
}

/* Breadcrumb */
.breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--text-muted);
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--text-muted);
}

/* Step numbers */
.step-number {
    font-size: 1.5rem;
    width: 60px;
    height: 60px;
}

/* FAQ Accordion */
.accordion-button {
    font-weight: 600;
    color: var(--text-dark);
}

.accordion-button:not(.collapsed) {
    background-color: rgba(0, 73, 248, 0.1);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 73, 248, 0.1);
    border-color: var(--primary-color);
}

/* Rating display */
.rating-display .stars {
    font-size: 2rem;
}

/* Tools grid */
.tools-grid {
    max-width: 1000px;
    margin: 0 auto;
}

.tool-link {
    display: inline-block;
    background-color: #f8f9fa;
    color: #333;
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    border: 1px solid #e9ecef;
    transition: all 0.2s ease;
    font-size: 0.9rem;
    white-space: nowrap;
}

.tool-link:hover {
    background-color: #e9ecef;
    color: #333;
    text-decoration: none;
    transform: translateY(-1px);
}

.tool-link strong {
    font-weight: 600;
}

/* Social Sharing Styles */
.social-sharing-container {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.social-sharing-title h5 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.social-buttons {
    margin-bottom: 1rem;
}

.btn-social {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    min-width: 45px;
}

.btn-facebook {
    background-color: #1877f2;
    color: white;
    border-color: #1877f2;
}

.btn-facebook:hover {
    background-color: #166fe5;
    color: white;
}

.btn-twitter {
    background-color: #1da1f2;
    color: white;
    border-color: #1da1f2;
}

.btn-twitter:hover {
    background-color: #1a91da;
    color: white;
}

.btn-linkedin {
    background-color: #0077b5;
    color: white;
    border-color: #0077b5;
}

.btn-linkedin:hover {
    background-color: #006396;
    color: white;
}

.btn-telegram {
    background-color: #0088cc;
    color: white;
    border-color: #0088cc;
}

.btn-telegram:hover {
    background-color: #0077b3;
    color: white;
}

.btn-whatsapp {
    background-color: #25d366;
    color: white;
    border-color: #25d366;
}

.btn-whatsapp:hover {
    background-color: #22c55e;
    color: white;
}

.btn-copy {
    background-color: #6c757d;
    color: white;
    border-color: #6c757d;
}

.btn-copy:hover {
    background-color: #5a6268;
    color: white;
}

.share-stats {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Mobile responsive for social buttons */
@media (max-width: 768px) {
    .social-sharing-container {
        padding: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .btn-social {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
        min-width: 40px;
    }
    
    .social-buttons {
        gap: 0.5rem !important;
    }
}

/* Floating Social Share Button (optional) */
.floating-share {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 1000;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 73, 248, 0.3);
}

.floating-share:hover {
    background: var(--primary-hover);
    transform: translateY(-50%) scale(1.1);
    color: white;
}

@media (max-width: 768px) {
    .floating-share {
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

/* Remove all shadows and transitions that create floating effects */
.btn,
.card,
.form-control,
.navbar {
    box-shadow: none !important;
    text-shadow: none !important;
}

.btn:hover,
.card:hover,
.feature-card:hover {
    box-shadow: none !important;
    transform: none !important;
}

/* Navigation hover effects */
.hover-link {
    transition: all 0.2s ease;
}

.hover-link:hover {
    color: var(--primary-color) !important;
    transform: translateX(3px);
}

/* Dropdown menu styles */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item.active {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.dropdown-item.active {
    font-weight: 500;
}