/* Custom Styles for AI Content Assistant */

body {
    background-color: #f8f9fa;
    font-family: 'Poppins', sans-serif;
}

/* Sidebar styles */
.sidebar {
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
    min-height: 100vh;
    color: white;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    z-index: 1000;
}

.brand-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar h3 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Section headers */
.sidebar-heading {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.6);
}

/* Navigation links */
.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.7);
    padding: 0.6rem 1rem;
    margin-bottom: 3px;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
}

.sidebar .nav-link i {
    width: 24px;
    text-align: center;
    font-size: 1rem;
    margin-right: 10px;
    opacity: 0.8;
}

.sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff;
    transform: translateX(3px);
}

.sidebar .nav-link.active {
    background: linear-gradient(45deg, #0d6efd, #0b5ed7);
    color: white;
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
}

/* Top Navigation Bar Styles */
.navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%) !important;
    border-radius: 0.3rem;
}

main .navbar-brand {
    font-size: 1.1rem;
    padding: 0.5rem 0.75rem;
}

main .navbar-brand small {
    font-size: 0.8rem;
    opacity: 0.8;
}

main .navbar-nav {
    padding: 0.5rem;
}

main .navbar-nav .nav-link {
    padding: 0.6rem 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 4px;
    margin: 0.15rem 0;
    color: rgba(255, 255, 255, 0.8);
}

main .navbar-nav .nav-link:hover,
main .navbar-nav .nav-link:focus {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

main .navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

main .navbar-toggler {
    border: none;
    padding: 0.5rem;
    margin-right: 0.5rem;
}

main .navbar-collapse {
    padding: 0.5rem 0;
}

main .dropdown-menu {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
    border-radius: 0.5rem;
}

main .dropdown-item {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

main .dropdown-item:hover {
    background-color: #f8f9fa;
}

/* Mobile menu toggle */
.navbar-toggler {
    border: none;
    background: transparent;
    color: white;
    font-size: 1.5rem;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
}

.navbar-toggler:hover {
    color: #0d6efd;
}

.mobile-header {
    background-color: #212529;
    padding: 0.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
}

.card-header {
    padding: 15px;
}

.card-body {
    padding: 20px;
}

/* Responsive typography */
@media (max-width: 576px) {
    h1, .h1 { font-size: calc(1.275rem + 0.3vw); }
    h2, .h2 { font-size: 1.25rem; }
    h3, .h3 { font-size: 1.15rem; }
    h4, .h4 { font-size: 1.1rem; }
    
    .display-4 {
        font-size: calc(1.375rem + 1.5vw);
    }
    
    .display-5 {
        font-size: calc(1.325rem + 0.9vw);
    }
    
    .lead {
        font-size: 1.1rem;
    }
}

/* Responsive spacing fixes */
@media (max-width: 768px) {
    .container, .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .py-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }
    
    .py-4 {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }
    
    .px-4 {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    
    .my-5 {
        margin-top: 2rem !important;
        margin-bottom: 2rem !important;
    }
    
    .mb-5 {
        margin-bottom: 2rem !important;
    }
    
    .mb-4 {
        margin-bottom: 1.5rem !important;
    }
    
    /* Form button spacing */
    form .btn {
        margin-top: 0.5rem;
    }
}

/* Make sure images are responsive */
img {
    max-width: 100%;
    height: auto;
}

/* Accordion responsive fixes */
.accordion-button {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
}

.accordion-body {
    padding: 0.75rem 1rem;
}

@media (max-width: 576px) {
    .accordion-button {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .accordion-body {
        padding: 0.6rem 0.8rem;
    }
}

/* Extra small device improvements (iPhone 5 etc.) */
@media (max-width: 320px) {
    body {
        font-size: 14px;
    }
    
    .navbar-brand {
        font-size: 0.95rem;
        max-width: 180px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .navbar-nav .nav-link {
        padding: 0.5rem 0.7rem;
    }
}

.form-control, .form-select {
    border-radius: 8px;
    padding: 12px;
    border: 1px solid #ddd;
    transition: all 0.3s;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.1);
    border-color: #86b7fe;
}

.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s;
}

.result-box {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    border-left: 4px solid #0d6efd;
}

.hashtag {
    display: inline-block;
    background-color: #f0f0f0;
    padding: 5px 10px;
    border-radius: 5px;
    margin: 5px;
    transition: all 0.3s;
    cursor: pointer;
}

.hashtag:hover {
    background-color: #e0e0e0;
}

.copy-btn {
    background-color: #343a40;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s;
}

.copy-btn:hover {
    background-color: #23272b;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
        position: static;
    }
    
    .card-header {
        padding: 15px;
    }
    
    .card-body {
        padding: 20px;
    }
}

/* Sidebar styles */
.sidebar {
    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
    min-height: 100vh;
    color: white;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    z-index: 1000;
}

.brand-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar h3 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Section headers */
.sidebar-heading {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.6);
}

/* Navigation links */
.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.7);
    padding: 0.6rem 1rem;
    margin-bottom: 3px;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
}

.sidebar .nav-link i {
    width: 24px;
    text-align: center;
    font-size: 1rem;
    margin-right: 10px;
    opacity: 0.8;
}

.sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff;
    transform: translateX(3px);
}

.sidebar .nav-link.active {
    background: linear-gradient(45deg, #0d6efd, #0b5ed7);
    color: white;
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
}

/* Adjust main content area */
main {
    padding-top: 1rem !important;
}

/* Form improvements for small screens */
.form-control, .form-select {
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
}

@media (max-width: 576px) {
    .form-control, .form-select {
        font-size: 16px; /* Prevents iOS zoom on focus */
    }
    
    textarea.form-control {
        min-height: 100px;
    }
    
    .btn-lg {
        padding: 0.6rem 1rem;
        font-size: 1.1rem;
    }
}

/* Card responsive styles */
.card {
    margin-bottom: 1.5rem;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    overflow: hidden;
}

@media (max-width: 768px) {
    .card-header {
        padding: 0.8rem 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* About section improvements */
#about-section {
    padding: 1.5rem 0;
}

#about-section .row.g-4 {
    margin: 0 -0.5rem;
}

#about-section .row.g-4 > [class*="col-"] {
    padding: 0 0.5rem;
}

@media (max-width: 576px) {
    #about-section h3 {
        font-size: 1.2rem;
    }
    
    #about-section h4 {
        font-size: 1.1rem;
    }
    
    #about-section .d-flex {
        margin-bottom: 1rem;
    }
}

/* Loading spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
}

.loading-message {
    margin-left: 10px;
    font-style: italic;
    color: #6c757d;
}

/* Success and error messages */
.alert {
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}