/* SmartBlog - main stylesheet (cream & black theme) */
:root{--cream:#f7efe6;--black:#0b0b0b;--muted:#7a7a7a;--accent:#c88f60;--white:#ffffff}
*{box-sizing:border-box}html,body{height:100%;margin:0;font-family:Inter,system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;background:var(--cream);color:var(--black);-webkit-font-smoothing:antialiased}
.container{max-width:1000px;margin:0 auto;padding:1rem}
.site-header{position:sticky;top:0;background:rgba(247,239,230,0.95);backdrop-filter:blur(4px);z-index:50;padding:.6rem 0;box-shadow:0 2px 6px rgba(0,0,0,0.04)}
.header-grid{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--black);font-weight:700}
.logo{width:36px;height:36px;object-fit:contain}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1rem}
.nav a{text-decoration:none;color:var(--black);padding:.3rem .4rem;border-radius:6px}
.nav a:hover{background:rgba(0,0,0,0.03)}
.controls{display:flex;align-items:center;gap:.5rem}
.icon-btn{background:none;border:none;font-size:1.1rem;cursor:pointer}
#search-bar{padding:.5rem;border-radius:8px;border:1px solid #ddd}
.hero{background-image:url('images/hero.svg');background-size:cover;background-position:center;padding:4rem 0;color:var(--white);position:relative;border-radius:12px;margin:1rem 0}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25),rgba(0,0,0,.45));border-radius:12px}
.hero-content{position:relative;z-index:1;text-align:center;padding:3rem 1rem}
.hero h1{font-size:2.2rem;margin-bottom:.4rem}
.lead{color:var(--muted)}
.cta-row{display:inline-flex;gap:.6rem;margin-top:1rem}
.btn{padding:.6rem .9rem;border-radius:10px;border:1px solid rgba(0,0,0,0.08);background:transparent;cursor:pointer;text-decoration:none;color:inherit}
.btn-primary{background:var(--black);color:var(--cream);border:none}
.highlights{padding:2rem 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.card{background:var(--white);padding:1rem;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,0.04);overflow:hidden}
.featured-grid .card img{width:100%;height:160px;object-fit:cover;border-radius:8px}
.ai-section{padding:2rem 0;background:transparent}
.ai-card{background:var(--white);padding:1rem;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,0.04)}
.chat-box{min-height:120px;max-height:260px;overflow:auto;padding:.6rem;border:1px solid #eee;border-radius:8px;margin-bottom:.6rem}
.chat-msg{padding:.4rem .6rem;margin:.4rem 0;border-radius:8px;background:linear-gradient(0deg,#fff,#faf7f3)}
.site-footer{padding:1.2rem 0;background:transparent;border-top:1px solid rgba(0,0,0,0.03);margin-top:2rem}
.search-drawer{position:fixed;right:12px;top:80px;background:var(--white);padding:1rem;border-radius:8px;max-width:360px;box-shadow:0 12px 30px rgba(0,0,0,0.12)}
.hidden{display:none}
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.5);z-index:100}
.modal.hidden{display:none}
.modal-card{background:var(--cream);padding:2rem;border-radius:12px;text-align:center;animation:pop .6s}
@keyframes pop{from{transform:translateY(18px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.welcome-anim{font-size:48px;animation:wave 1.8s infinite}
@keyframes wave{0%{transform:rotate(0)}50%{transform:rotate(10deg)}100%{transform:rotate(0)}}
.animated-card{transition:transform .3s,box-shadow .3s}
.animated-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(0,0,0,0.08)}
.dropdown{position:relative}
.dropdown-menu{position:absolute;left:0;top:100%;background:var(--white);padding:.5rem;border-radius:8px;display:none;box-shadow:0 8px 20px rgba(0,0,0,0.08)}
.dropdown:hover .dropdown-menu{display:block}
@media(max-width:880px){.nav ul{display:none}.header-grid{gap:.5rem}.hero h1{font-size:1.6rem}.cta-row{flex-direction:column;gap:.5rem}}
.dark{background:var(--black);color:var(--cream)}
.dark .site-header{background:rgba(11,11,11,0.95)}
.dark .card{background:#0e0e0e;color:var(--cream);box-shadow:0 8px 20px rgba(0,0,0,0.3)}
mark{background:var(--accent);padding:.1rem .2rem;border-radius:4px;color:var(--black)}
.footer-grid{display:flex;gap:2rem;justify-content:space-between;align-items:center}
.footer-grid a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}