/* Premium SaaS LMS UI Overrides */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --saas-primary: #4f46e5;
    --saas-primary-hover: #4338ca;
    --saas-bg: #f9fafb;
    --saas-surface: #ffffff;
    --saas-text-main: #111827;
    --saas-text-muted: #6b7280;
    --saas-border: #e5e7eb;
    
    --saas-footer-bg: #111827;
    --saas-footer-surface: #1f2937;
    --saas-footer-text: #9ca3af;
    --saas-footer-heading: #f3f4f6;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-pill: 9999px;
}

body {
    font-family: 'Inter', sans-serif !important;
    background-color: var(--saas-bg);
    color: var(--saas-text-main);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif !important;
    font-weight: 700 !important;
    letter-spacing: -0.025em;
}

/* -------------------------------------
   HEADER & GLASSMORPHISM
--------------------------------------- */
header#masthead.site-header {
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border-bottom: 1px solid rgba(229, 231, 235, 0.5) !important;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease-in-out;
}

.site-header .thim-nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Nav links */
.site-header .thim-nav-wrapper .menu-main-menu > li > a {
    color: var(--saas-text-muted) !important;
    font-weight: 500;
    font-size: 15px;
    padding: 10px 15px !important;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.site-header .thim-nav-wrapper .menu-main-menu > li > a:hover {
    color: var(--saas-text-main) !important;
    background-color: rgba(243, 244, 246, 0.8) !important;
}

/* Buttons */
.site-header .menu-right .thim-login-popup a.login,
.site-header .menu-right .thim-login-popup a.register {
    border-radius: var(--radius-pill) !important;
    padding: 8px 24px !important;
    font-weight: 600;
    font-size: 14px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.site-header .menu-right .thim-login-popup a.login {
    background: transparent !important;
    color: var(--saas-text-main) !important;
    border: 1px solid var(--saas-border);
}

.site-header .menu-right .thim-login-popup a.login:hover {
    background: var(--saas-bg) !important;
    transform: translateY(-1px);
}

.site-header .menu-right .thim-login-popup a.register {
    background: var(--saas-primary) !important;
    color: #fff !important;
    border: none;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.3);
}

.site-header .menu-right .thim-login-popup a.register:hover {
    background: var(--saas-primary-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px -1px rgba(79, 70, 229, 0.4);
}

/* -------------------------------------
   FOOTER MODERNIZATION
--------------------------------------- */
footer#colophon {
    background-color: var(--saas-footer-bg) !important;
    color: var(--saas-footer-text) !important;
    border-top: 1px solid #1f2937;
    padding-top: 60px;
}

footer#colophon .widget-title {
    color: var(--saas-footer-heading) !important;
    font-weight: 600 !important;
    font-size: 16px;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

footer#colophon a {
    color: var(--saas-footer-text) !important;
    transition: color 0.2s;
}

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

.copyright-area {
    background-color: var(--saas-footer-surface) !important;
    padding: 24px 0;
    margin-top: 40px;
    border-top: 1px solid #374151;
    font-size: 14px;
    text-align: center;
}

/* -------------------------------------
   LOGIN & REGISTRATION SPLIT SCREEN (Global Auth classes)
--------------------------------------- */
body.page-template-login,
body.page-template-register,
body.tutor-login-page {
    background: var(--saas-surface);
}

.saas-auth-wrapper {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.saas-auth-image {
    display: none;
}

@media (min-width: 1024px) {
    .saas-auth-image {
        display: block;
        width: 50%;
        background: linear-gradient(135deg, var(--saas-primary) 0%, #a855f7 100%);
        position: relative;
        overflow: hidden;
    }
    .saas-auth-image::after {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1471&q=80') center/cover;
        opacity: 0.15;
        mix-blend-mode: overlay;
    }
}

.saas-auth-form {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

@media (min-width: 1024px) {
    .saas-auth-form {
        width: 50%;
        padding: 4rem;
    }
}

.saas-auth-form .auth-inner {
    width: 100%;
    max-width: 420px;
}

.saas-auth-form h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--saas-text-main);
}

.saas-auth-form p.auth-sub {
    color: var(--saas-text-muted);
    margin-bottom: 32px;
}

.saas-auth-form input[type="text"],
.saas-auth-form input[type="email"],
.saas-auth-form input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--saas-border);
    background: #fff;
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 16px;
}

.saas-auth-form input:focus {
    border-color: var(--saas-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    outline: none;
}

.saas-auth-form button[type="submit"] {
    width: 100%;
    background: var(--saas-primary);
    color: #fff;
    padding: 12px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 16px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.2);
    transition: background 0.2s, transform 0.1s;
}

.saas-auth-form button[type="submit"]:hover {
    background: var(--saas-primary-hover);
    transform: translateY(-1px);
}