/* ================================================================= */
/* Unified Navbar Styles - يعمل مع Landing و Auth و App Pages       */
/* Variables are defined in site.css, landing.css, and auth.css     */
/* ================================================================= */

/* ================================================================= */
/* Navbar Container */
/* ================================================================= */

.unified-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--current-navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--current-navbar-border);
    transition: var(--transition);
    color: var(--current-navbar-text);
}

[data-theme="dark"] .unified-navbar {
    background: var(--current-navbar-bg);
    border-bottom-color: var(--current-navbar-border);
    color: var(--current-navbar-text);
}

.unified-navbar.scrolled {
    box-shadow: var(--current-navbar-shadow);
}

[data-theme="dark"] .unified-navbar.scrolled {
    box-shadow: var(--current-navbar-shadow);
}

.unified-navbar .nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ================================================================= */
/* Logo / Brand */
/* ================================================================= */

.unified-navbar .nav-brand .logo {
    font-size: 1.75rem;
    font-weight: 900;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
}

.unified-navbar .nav-brand .logo:hover {
    transform: scale(1.05);
}

/* ================================================================= */
/* Theme Toggle Button */
/* ================================================================= */

.unified-navbar .theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--current-navbar-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
}

[data-theme="dark"] .unified-navbar .theme-toggle {
    color: var(--current-navbar-text);
}

.unified-navbar .theme-toggle:hover {
    background: rgba(14, 165, 233, 0.1);
    transform: rotate(20deg) scale(1.1);
}

/* ================================================================= */
/* Nav Buttons Container */
/* ================================================================= */

.unified-navbar .nav-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ================================================================= */
/* Mobile Menu Toggle */
/* ================================================================= */

.unified-navbar .mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.unified-navbar .mobile-menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--current-navbar-text);
    border-radius: 3px;
    transition: var(--transition);
}

[data-theme="dark"] .unified-navbar .mobile-menu-toggle span {
    background: var(--current-navbar-text);
}

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

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

.unified-navbar .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ================================================================= */
/* Navigation Links */
/* ================================================================= */

.unified-navbar .nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* ================================================================= */
/* Nav Button Styles */
/* ================================================================= */

.unified-navbar .btn-nav-login,
.unified-navbar .btn-nav-register,
.unified-navbar .btn-nav-logout {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: 'Cairo', sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.unified-navbar .btn-nav-login {
    background: transparent;
    color: var(--current-navbar-text);
    border: 2px solid var(--current-navbar-border);
}

[data-theme="dark"] .unified-navbar .btn-nav-login {
    color: var(--current-navbar-text);
    border-color: var(--current-navbar-border);
}

.unified-navbar .btn-nav-login:hover {
    background: rgba(14, 165, 233, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.unified-navbar .btn-nav-register,
.unified-navbar .btn-nav-logout {
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.unified-navbar .btn-nav-register:hover,
.unified-navbar .btn-nav-logout:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.unified-navbar .btn-nav-logout {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.unified-navbar .btn-nav-logout:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
}

/* ================================================================= */
/* User Menu (when authenticated) */
/* ================================================================= */

.unified-navbar .user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.unified-navbar .user-name {
    color: var(--current-navbar-text);
    font-weight: 500;
    font-size: 0.95rem;
}

[data-theme="dark"] .unified-navbar .user-name {
    color: var(--current-navbar-text);
}

/* ================================================================= */
/* Responsive Design */
/* ================================================================= */

@media (max-width: 768px) {
    .unified-navbar .nav-container {
        padding: 1rem;
        position: relative;
        justify-content: space-between;
        align-items: center;
    }

    .unified-navbar .mobile-menu-toggle {
        display: flex;
        order: 3;
        margin-left: auto;
    }

    .unified-navbar .nav-buttons {
        order: 2;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .unified-navbar .nav-brand {
        order: 1;
        flex: 1;
    }

    .unified-navbar .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--current-navbar-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem;
        border-bottom: 1px solid var(--current-navbar-border);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        display: none;
        gap: 1rem;
        width: 100%;
        z-index: 999;
    }

    [data-theme="dark"] .unified-navbar .nav-links {
        background: var(--current-navbar-bg);
        border-bottom-color: var(--current-navbar-border);
    }

    .unified-navbar .nav-links.active {
        display: flex;
    }

    .unified-navbar .btn-nav-login,
    .unified-navbar .btn-nav-register,
    .unified-navbar .btn-nav-logout {
        width: 100%;
        justify-content: center;
    }

    .unified-navbar .user-menu {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

    .unified-navbar .user-name {
        text-align: center;
        width: 100%;
    }

    .unified-navbar .user-menu button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .unified-navbar .nav-container {
        padding: 0.75rem;
    }

    .unified-navbar .btn-nav-login,
    .unified-navbar .btn-nav-register,
    .unified-navbar .btn-nav-logout {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}