/* public/css/navbar.css - Global Navigation Bar Styles */

/* ===== CSS Variables (shared with homepage) ===== */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-700: #334155;
    --color-gray-900: #0f172a;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius-md: 0.5rem;
    --navbar-height: 64px;
}

/* ===== Body with navbar - reset padding and add proper spacing ===== */
body.has-navbar {
    padding: 0 !important;
    margin: 0 !important;
    padding-top: calc(var(--navbar-height) + env(safe-area-inset-top, 0px)) !important;
}

@media screen and (max-width: 768px) {
    body.has-navbar {
        padding-top: calc(var(--navbar-height) + env(safe-area-inset-top, 0px)) !important;
    }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: white;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--color-gray-100);
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
    /* Ngăn tràn ngang */
    padding-top: env(safe-area-inset-top, 0px);
}

@media screen and (max-width: 768px) {
    .navbar {
        padding-top: env(safe-area-inset-top, 0px);
    }
}

.nav-container {
    max-width: 1200px;
    width: 100%;
    /* Đảm bảo không vượt quá viewport */
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--navbar-height);
    box-sizing: border-box;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-img {
    height: 32px;
    width: 32px;
    border-radius: var(--radius-md);
    display: block;
    object-fit: contain;
    animation: logoFadeIn 0.8s ease-out;
}

@keyframes logoFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.logo-icon {
    /* Kept for backward compatibility if needed */
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.nav-logo .logo-text {
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, #1e293b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--color-gray-600, #475569);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--color-primary);
}

/* Language Switcher - properly centered */
.nav-lang {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lang-switcher {
    padding: 0.5rem 2rem 0.5rem 1rem !important;
    border: 1px solid var(--color-gray-200) !important;
    border-radius: var(--radius-md) !important;
    background-color: var(--color-gray-50) !important;
    color: var(--color-gray-700) !important;
    font-weight: 500 !important;
    font-size: 0.875rem !important;
    cursor: pointer;
    transition: all 0.2s;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23334155' d='M2.5 4.5L6 8l3.5-3.5'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.5rem center !important;
    line-height: 1.4;
    height: 38px !important;
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
}

.lang-switcher:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-300);
}

.lang-switcher:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: all 0.3s;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: white;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-link {
    display: block;
    padding: 1rem;
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--color-gray-100);
}

.mobile-nav-link:hover {
    color: var(--color-primary);
    background: var(--color-gray-50);
}

/* ===== Main container spacing for pages with navbar ===== */
body.has-navbar .main-container {
    padding: 20px;
}

/* Legal page specific - content already has its own styling */
body.has-navbar .legal-page {
    margin-top: 20px;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    :root {
        --navbar-height: 56px;
    }

    body.has-navbar {
        padding-top: var(--navbar-height) !important;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .nav-logo .logo-text {
        font-size: 1.125rem;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .lang-switcher {
        padding: 0.375rem 1.75rem 0.375rem 0.75rem;
        font-size: 0.8125rem;
    }

    /* Đẩy lang-switcher sang phải khi nav-links bị ẩn */
    .nav-lang {
        margin-left: auto !important;
    }

    body.has-navbar .main-container {
        padding: 15px;
    }
}

@media (max-width: 680px) {
    .nav-container {
        padding: 0 10px !important;
        max-width: 100% !important;
        overflow: hidden !important;
    }

    .nav-logo {
        flex-shrink: 1 !important;
        min-width: 0 !important;
        overflow: hidden !important;
    }

    .nav-lang {
        flex-shrink: 0 !important;
        margin-left: auto !important;
        margin-right: 0 !important;
    }

    .lang-switcher {
        padding: 0.375rem 1.5rem 0.375rem 0.75rem !important;
        font-size: 0.8125rem !important;
    }
}

@media (max-width: 480px) {
    body.has-navbar {
        padding-top: var(--navbar-height) !important;
    }

    .nav-container {
        padding: 0 0.75rem;
    }

    .lang-switcher {
        padding: 0.25rem 1.5rem 0.25rem 0.5rem;
        font-size: 0.75rem;
    }

    body.has-navbar .main-container {
        padding: 10px;
    }
}