/* ============================================================
   Oral Path Connect — Shared Header + Footer Styles
   Used by: index.php, login.php, signup.php, dashboard.php
   (loaded together with each page's own <style> block)
============================================================ */

:root{
    --primary:#0b4f8a;
    --primary-dark:#073b63;
    --secondary:#15a8c7;
    --accent:#8650a9;

    --light-blue:#eef7fc;
    --soft-blue:#f6fbfe;

    --white:#ffffff;
    --text:#18324b;
    --muted:#6c7d8f;

    --border:#dfeaf2;

    --shadow:0 18px 50px rgba(9,55,91,.10);
    --shadow-small:0 8px 25px rgba(9,55,91,.08);

    --radius:20px;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Inter',sans-serif;
    color:var(--text);
    background:#fff;
    line-height:1.6;
}

a{
    text-decoration:none;
    color:inherit;
}

button,
input{
    font-family:inherit;
}

.container{
    width:min(1180px,92%);
    margin:auto;
}

/* =========================================================
   TOP BAR
========================================================= */

.topbar{
    background:var(--primary-dark);
    color:#fff;
    font-size:13px;
}

.topbar-inner{
    min-height:38px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
}

.topbar-left,
.topbar-right{
    display:flex;
    align-items:center;
    gap:20px;
}

.topbar a{
    opacity:.92;
    transition:.2s;
}

.topbar a:hover{
    opacity:1;
}

/* =========================================================
   HEADER
========================================================= */

.header{
    background:#fff;
    position:sticky;
    top:0;
    z-index:1000;
    border-bottom:1px solid rgba(223,234,242,.8);
}

.navbar{
    height:82px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:25px;
}

.logo{
    display:flex;
    align-items:center;
    gap:12px;
}

.logo-mark{
    width:47px;
    height:47px;
    border-radius:13px;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    display:grid;
    place-items:center;
    color:#fff;
    font-size:22px;
    font-weight:800;
    box-shadow:0 8px 18px rgba(11,79,138,.22);
}

.logo-text{
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size:21px;
    font-weight:800;
    color:var(--primary-dark);
    line-height:1.1;
}

.logo-text span{
    color:var(--secondary);
}

.logo-small{
    font-size:10px;
    color:var(--muted);
    letter-spacing:1px;
    font-weight:600;
    text-transform:uppercase;
}

.nav-links{
    display:flex;
    align-items:center;
    gap:28px;
}

.nav-links a{
    color:#40576b;
    font-size:14px;
    font-weight:600;
    position:relative;
}

.nav-links a:after{
    content:"";
    position:absolute;
    left:0;
    bottom:-8px;
    width:0;
    height:2px;
    background:var(--secondary);
    transition:.25s;
}

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

.nav-links a:hover:after{
    width:100%;
}

.nav-buttons{
    display:flex;
    align-items:center;
    gap:10px;
}

.btn{
    border:none;
    cursor:pointer;
    padding:12px 19px;
    border-radius:10px;
    font-size:14px;
    font-weight:700;
    transition:.25s;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
}

.btn-outline{
    background:#fff;
    color:var(--primary);
    border:1px solid var(--border);
}

.btn-outline:hover{
    background:var(--light-blue);
}

.btn-primary{
    background:var(--primary);
    color:#fff;
    box-shadow:0 8px 20px rgba(11,79,138,.2);
}

.btn-primary:hover{
    background:var(--primary-dark);
    transform:translateY(-2px);
}

.menu-btn{
    display:none;
    background:none;
    border:0;
    font-size:25px;
    color:var(--primary);
}

/* =========================================================
   FOOTER
========================================================= */

.footer{
    background:#073b63;
    color:#fff;
    padding:65px 0 0;
}

.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:45px;
    padding-bottom:50px;
}

.footer-logo{
    color:#fff;
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size:20px;
    font-weight:800;
    margin-bottom:14px;
}

.footer-logo span{
    color:#15a8c7;
}

.footer-about{
    color:rgba(255,255,255,.6);
    font-size:12px;
    max-width:330px;
}

.footer h4{
    font-size:13px;
    margin-bottom:18px;
}

.footer-links{
    display:grid;
    gap:10px;
}

.footer-links a{
    color:rgba(255,255,255,.58);
    font-size:12px;
    transition:.2s;
}

.footer-links a:hover{
    color:#fff;
}

.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding:20px 0;
    display:flex;
    justify-content:space-between;
    gap:20px;
    color:rgba(255,255,255,.45);
    font-size:10px;
}

/* =========================================================
   MOBILE
========================================================= */

@media(max-width:1000px){

    .nav-links{
        gap:17px;
    }
}

@media(max-width:800px){

    .topbar{
        display:none;
    }

    .navbar{
        height:70px;
    }

    .menu-btn{
        display:block;
    }

    .nav-links,
    .nav-buttons{
        display:none;
    }

    .nav-links.mobile-open{
        display:flex;
        position:absolute;
        top:70px;
        left:0;
        right:0;
        background:#fff;
        padding:20px;
        flex-direction:column;
        align-items:flex-start;
        box-shadow:0 15px 30px rgba(0,0,0,.08);
        border-top:1px solid var(--border);
        z-index:999;
    }

    .footer-grid{
        grid-template-columns:1fr 1fr;
    }
}

@media(max-width:550px){

    .logo-text{
        font-size:17px;
    }

    .logo-small{
        font-size:8px;
    }

    .logo-mark{
        width:42px;
        height:42px;
    }

    .footer-grid{
        grid-template-columns:1fr;
    }

    .footer-bottom{
        flex-direction:column;
    }
}