/**
 * Header & Navigation Styles
 */

/* Header */
.header {
    background-color: transparent;
    padding: 10px 0;
    transition: all 0.4s ease;
    z-index: 1000;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
}

.navbar {
    padding: 0;
}

/* Brand */
.navbar-brand {
    display: flex;
    align-items: center;
    font-family: var(--heading-font);
    font-weight: 900;
    font-size: 1.8rem;
    color: var(--primary-color) !important;
    text-decoration: none;
}

.velox-logo {
    display: flex;
    align-items: center;
    margin-right: 10px;
    position: relative;
    height: 32px;
}

.logo-v {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--light-color);
    font-family: 'Oswald', sans-serif;
    position: relative;
    z-index: 2;
    line-height: 1;
    display: inline-block;
    transition: transform 0.2s ease, color 0.2s ease;
}

.header.scrolled .logo-v {
    color: var(--primary-color);
}

.logo-speed-lines {
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 22px;
    overflow: hidden;
    transition: transform 0.2s ease;
    color: var(--light-color);
}

.header.scrolled .logo-speed-lines {
    color: var(--primary-color);
}

.logo-speed-lines::before,
.logo-speed-lines::after {
    content: '';
    position: absolute;
    right: 0;
    width: 15px;
    height: 2px;
    background: currentColor;
    opacity: 0.5;
    transition: var(--transition);
}

.logo-speed-lines::before {
    top: -4px;
}

.logo-speed-lines::after {
    bottom: -4px;
}

.navbar-brand:hover .logo-v {
    transform: scale(1.05);
    transition: transform 0.15s ease, color 0.15s ease;
}

.navbar-brand:hover .logo-speed-lines {
    transform: translateY(-50%) translateX(3px);
    transition: transform 0.12s ease;
}

.brand-text {
    color: var(--light-color);
    transition: var(--transition);
}

.header.scrolled .brand-text {
    color: var(--primary-color);
}

/* Navigation */
.nav-item {
    position: relative;
    margin-left: 15px;
}

.nav-link {
    font-weight: 600;
    color: var(--light-color) !important;
    padding: 0.75rem 1rem !important;
    transition: var(--transition);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.header.scrolled .nav-link {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--light-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.header.scrolled .nav-link::after {
    background-color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Mobile Menu Toggle */
.navbar-toggler {
    border: none;
    padding: 0.25rem;
    background: transparent;
    position: relative;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.navbar-toggler-icon {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    transition: all 0.3s ease;
    transform: rotate(0deg);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    transition: all 0.3s ease;
    left: 0;
}

.navbar-toggler-icon::before {
    top: -8px;
    transform: rotate(0deg);
}

.navbar-toggler-icon::after {
    top: 8px;
    transform: rotate(0deg);
}

/* Scrolled state colors */
.header.scrolled .navbar-toggler-icon,
.header.scrolled .navbar-toggler-icon::before,
.header.scrolled .navbar-toggler-icon::after {
    background-color: #000000;
}

/* Active/Open state - X icon */
.navbar-toggler.active .navbar-toggler-icon {
    background-color: transparent;
}

.navbar-toggler.active .navbar-toggler-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.navbar-toggler.active .navbar-toggler-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Menu Styles */
@media (max-width: 991.98px) {
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        margin-top: 0.5rem;
        border-radius: 10px;
        padding: 1.5rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }
    
    .navbar-collapse.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .navbar-nav {
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem !important;
        border-radius: 8px;
        transition: all 0.3s ease;
        color: #000000 !important;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: rgba(255, 0, 0, 0.1);
        color: #ff0000 !important;
    }
    
    .search-form {
        margin-top: 1rem;
        width: 100%;
        display: block !important;
    }
    
    .search-container {
        width: 100%;
        background: rgba(0, 0, 0, 0.05);
        border: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .search-input {
        width: 100%;
        color: #000000;
    }
    
    .search-input::placeholder {
        color: rgba(0, 0, 0, 0.5);
    }
    
    .nav-auth-buttons {
        margin-top: 1rem;
        width: 100%;
        justify-content: center;
    }
}


/* Search Form */
.search-form {
    position: relative;
    margin-left: 1rem;
    max-width: 280px;
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.search-container:focus-within {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.search-input {
    width: 200px;
    padding: 0.75rem 3rem 0.75rem 1.25rem;
    border: none;
    border-radius: 50px;
    background: transparent;
    color: var(--light-color);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-button {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    transition: all 0.3s ease;
}

.search-button:hover {
    color: var(--light-color);
    transform: translateY(-50%) scale(1.1);
}

/* Scrolled state */
.header.scrolled .search-container {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
}

.header.scrolled .search-container:focus-within {
    background: rgba(0, 0, 0, 0.08);
    border-color: var(--dark-color);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.header.scrolled .search-input {
    color: var(--dark-color);
}

.header.scrolled .search-input::placeholder {
    color: rgba(0, 0, 0, 0.6);
}

.header.scrolled .search-button {
    color: rgba(0, 0, 0, 0.7);
}

.header.scrolled .search-button:hover {
    color: var(--dark-color);
}

/* Auth Button */
.nav-auth-buttons {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}

.btn-auth {
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 2px solid;
    background: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    min-height: 44px;
}

/* Light header state */
.header:not(.scrolled) .btn-auth {
    color: var(--light-color);
    border-color: var(--light-color);
}

.header:not(.scrolled) .btn-auth:hover {
    background-color: var(--light-color);
    color: var(--dark-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

/* Dark header state (scrolled) */
.header.scrolled .btn-auth {
    color: var(--dark-color);
    border-color: var(--dark-color);
}

.header.scrolled .btn-auth:hover {
    background-color: var(--dark-color);
    color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* User Menu */
.user-menu {
    position: relative;
}

.btn-user {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.header:not(.scrolled) .btn-user {
    color: var(--light-color);
    border-color: var(--light-color);
}

.header:not(.scrolled) .btn-user:hover {
    background: var(--light-color);
    color: var(--dark-color);
}

.header.scrolled .btn-user {
    color: var(--dark-color);
    border-color: var(--dark-color);
}

.header.scrolled .btn-user:hover {
    background: var(--dark-color);
    color: var(--light-color);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    padding: 1rem;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
    margin-top: 10px;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-info {
    margin-bottom: 0.5rem;
}

.user-info strong {
    display: block;
    color: var(--dark-color);
    font-size: 0.9rem;
}

.user-info small {
    color: #666;
    font-size: 0.75rem;
}

.user-dropdown hr {
    margin: 0.5rem 0;
    border-color: #eee;
}

.dropdown-item {
    background: none;
    border: none;
    padding: 0.5rem 0;
    color: #666;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    width: 100%;
    text-align: left;
    transition: color 0.2s ease;
}

.dropdown-item:hover {
    color: var(--dark-color);
}



@media (max-width: 768px) {
    .header {
        background-color: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(10px) !important;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    }
    
    .header .logo-v {
        color: var(--primary-color) !important;
    }
    
    .header .logo-speed-lines {
        color: var(--primary-color) !important;
    }
    
    .header .brand-text {
        color: var(--primary-color) !important;
    }
    
    .header .navbar-toggler-icon,
    .header .navbar-toggler-icon::before,
    .header .navbar-toggler-icon::after {
        background-color: var(--primary-color) !important;
    }
    
    .nav-auth-buttons {
        margin: 1rem 0 0;
        width: 100%;
        justify-content: center;
    }
    
    .header .btn-auth {
        color: var(--primary-color) !important;
        border-color: var(--primary-color) !important;
        width: auto;
        height: 44px;
        padding: 0.5rem 1.5rem;
    }
    
    .header .btn-auth:hover {
        background-color: var(--primary-color) !important;
        color: var(--light-color) !important;
    }
}

/* Auth Modal Styles */
.auth-modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    max-width: 450px;
    margin: 0 auto;
}

.auth-modal-content .modal-header {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 1.25rem 1.5rem;
    text-align: center;
}

.auth-modal-content .modal-title {
    font-family: var(--heading-font);
    font-weight: 700;
    font-size: 1.3rem;
    margin: 0;
}

.auth-modal-content .btn-close {
    filter: invert(1);
    opacity: 0.8;
}

.auth-modal-content .modal-body {
    padding: 1.5rem;
}

/* Auth Toggle */
.auth-toggle {
    display: flex;
    background: #f1f3f4;
    border-radius: 25px;
    padding: 3px;
    margin-bottom: 1.5rem;
}

.auth-tab-btn {
    flex: 1;
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: 22px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.auth-tab-btn.active {
    background: var(--dark-color);
    color: var(--light-color);
}

.auth-tab-btn:not(.active) {
    color: #666;
}

/* Form Styles */
.auth-form .form-group {
    margin-bottom: 1rem;
}

.auth-form .form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
}

.auth-form .form-control {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.auth-form .form-control:focus {
    border-color: var(--dark-color);
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1);
    outline: none;
}

.auth-form .form-control.is-invalid {
    border-color: #dc3545;
}

.auth-form .form-control.is-valid {
    border-color: #28a745;
}

.auth-form .btn-primary {
    background: var(--dark-color);
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
    width: 100%;
}

.auth-form .btn-primary:hover:not(:disabled) {
    background: #333;
}

.auth-form .btn-primary:disabled {
    opacity: 0.7;
}

.form-check {
    margin-bottom: 1rem;
}

.form-check-label {
    font-size: 0.85rem;
    color: #666;
}

.form-check-label a {
    color: var(--dark-color);
    text-decoration: none;
}

/* Field Error Messages */
.field-error {
    color: #dc3545;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: block;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.strength-bar {
    height: 4px;
    width: 100px;
    background: #e9ecef;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.strength-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.strength-bar.strength-1::after {
    width: 20%;
    background: #dc3545;
}

.strength-bar.strength-2::after {
    width: 40%;
    background: #fd7e14;
}

.strength-bar.strength-3::after {
    width: 60%;
    background: #ffc107;
}

.strength-bar.strength-4::after {
    width: 80%;
    background: #20c997;
}

.strength-bar.strength-5::after {
    width: 100%;
    background: #28a745;
}

.strength-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: #666;
}

/* Mobile Auth Modal */
@media (max-width: 991.98px) {
    .auth-modal-content {
        margin: 1rem;
        max-width: calc(100vw - 2rem);
    }
    
    .strength-bar {
        width: 80px;
    }
    
    .field-error {
        font-size: 0.7rem;
    }
}