/* ===================================================================
   Journal of Innovative Technologies — Core Stylesheet
   Palette derived from the JIT logo:
   Deep Blue #0f70b8 | Sky Cyan #23aae1
   =================================================================== */

:root {
    --jit-blue-900: #0a4c7d;
    --jit-blue-700: #0f70b8;
    --jit-blue-600: #1875bb;
    --jit-cyan-500: #23aae1;
    --jit-cyan-300: #7cd0f0;
    --jit-cyan-100: #e7f6fd;
    --jit-ink: #10233a;
    --jit-slate: #4b5c6e;
    --jit-bg: #f6f9fc;
    --jit-white: #ffffff;
    --jit-border: #e1e8f0;
    --jit-success: #1e9e6b;
    --jit-warning: #d98c1f;
    --jit-danger: #d64545;

    --radius: 10px;
    --shadow-sm: 0 1px 3px rgba(15, 112, 184, 0.08);
    --shadow-md: 0 8px 24px rgba(15, 112, 184, 0.12);
    --font-heading: 'Merriweather', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--jit-ink);
    background: var(--jit-bg);
    line-height: 1.6;
}
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--jit-blue-900); margin: 0 0 .5em; line-height: 1.25; }
a { color: var(--jit-blue-700); text-decoration: none; }
a:hover { color: var(--jit-cyan-500); }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */

 .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: .95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .18s ease;
    white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--jit-blue-700), var(--jit-cyan-500)); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: var(--jit-blue-700); color: var(--jit-blue-700); }
.btn-outline:hover { background: var(--jit-cyan-100); }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-block { width: 100%; }

/* ---------- Top bar & Navigation ---------- */
.topbar {
    background: var(--jit-blue-900); color: #dceefb; font-size: .82rem;
    padding: 6px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
.topbar a { color: #dceefb; margin-right: 16px; }

.navbar {
    background: #fff; border-bottom: 1px solid var(--jit-border);
    position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; padding-top: 10px; padding-bottom: 10px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 46px; width: auto; }
.brand-text { font-family: var(--font-heading); line-height: 1.1; }
.brand-text .title { font-weight: 700; color: var(--jit-blue-900); font-size: 1.05rem; display: block; }
.brand-text .sub { font-size: .72rem; color: var(--jit-slate); letter-spacing: .06em; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links > li { position: relative; }
.nav-links > li > a, .nav-links > li > button.nav-toggle {
    display: flex; align-items: center; gap: 5px; white-space: nowrap;
    padding: 10px 14px; font-weight: 600; font-size: .92rem; color: var(--jit-ink);
    background: none; border: none; cursor: pointer; font-family: var(--font-body);
}
.nav-toggle .arrow { font-size: .7rem; position: relative; top: 1px; }
.nav-links > li > a:hover, .nav-links > li:hover > button.nav-toggle { color: var(--jit-blue-700); }
.dropdown { display: none; position: absolute; top: 100%; left: 0; background: #fff; min-width: 240px;
    border: 1px solid var(--jit-border); border-radius: var(--radius); box-shadow: var(--shadow-md); padding: 8px; }
.nav-links > li:hover .dropdown { display: block; }
.dropdown a { display: block; padding: 9px 12px; border-radius: 6px; color: var(--jit-ink); font-size: .9rem; }
.dropdown a:hover { background: var(--jit-cyan-100); color: var(--jit-blue-700); }

.nav-cta { display: flex; gap: 8px; align-items: center; }
.mobile-toggle { display: none; background: none; border: none; font-size: 1.6rem; cursor: pointer; color: var(--jit-blue-900); }

@media (max-width: 960px) {
    .nav-links { display: none; flex-direction: column; align-items: stretch; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-top: 1px solid var(--jit-border); padding: 10px; }
    .nav-links.open { display: flex; }
    .dropdown { position: static; box-shadow: none; border: none; display: none; }
    .nav-links li.open .dropdown { display: block; }
    .mobile-toggle { display: block; }
    .nav-cta { display: none; }
}

/* ---------- Hero ---------- */
.hero { background: radial-gradient(circle at 20% 20%, var(--jit-cyan-100), #fff 55%); padding: 64px 0; overflow: hidden; }
.hero .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 2.4rem; margin-bottom: .4em; }
.hero p.lead { color: var(--jit-slate); font-size: 1.08rem; margin-bottom: 1.6em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art { background: linear-gradient(145deg, var(--jit-blue-700), var(--jit-cyan-500)); border-radius: 20px; min-height: 320px;
    display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-md); overflow: hidden; }
.hero-art img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; display: block; }
@media (max-width: 860px) { .hero .container { grid-template-columns: 1fr; } }

/* ---------- Sections & cards ---------- */
.section { padding: 56px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-head .eyebrow { color: var(--jit-cyan-500); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--jit-border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .72rem; font-weight: 700; letter-spacing: .03em; }
.badge-blue { background: var(--jit-cyan-100); color: var(--jit-blue-700); }
.badge-success { background: #e4f7ee; color: var(--jit-success); }
.badge-warning { background: #fdf1de; color: var(--jit-warning); }
.badge-danger { background: #fbe7e7; color: var(--jit-danger); }

.stat { text-align: center; padding: 20px; }
.stat .num { font-size: 2.2rem; font-weight: 800; color: var(--jit-blue-700); font-family: var(--font-heading); }
.stat .label { color: var(--jit-slate); font-size: .88rem; text-transform: uppercase; letter-spacing: .05em; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=date],
input[type=number], input[type=file], select, textarea {
    width: 100%; padding: 11px 14px; border: 1.5px solid var(--jit-border); border-radius: 8px;
    font-family: var(--font-body); font-size: .95rem; background: #fff; color: var(--jit-ink);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--jit-cyan-500); box-shadow: 0 0 0 3px var(--jit-cyan-100); }
.form-hint { font-size: .8rem; color: var(--jit-slate); margin-top: 4px; }
.form-error { font-size: .8rem; color: var(--jit-danger); margin-top: 4px; }
.auth-card { max-width: 460px; margin: 48px auto; background: #fff; border: 1px solid var(--jit-border); border-radius: 14px; padding: 36px; box-shadow: var(--shadow-md); }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--jit-border); font-size: .9rem; }
th { background: var(--jit-cyan-100); color: var(--jit-blue-900); font-weight: 700; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--jit-border); }

/* ---------- Alerts / toasts ---------- */
.alert { padding: 14px 16px; border-radius: 8px; margin-bottom: 18px; font-size: .9rem; border-left: 4px solid; }
.alert-success { background: #e4f7ee; border-color: var(--jit-success); color: #14603f; }
.alert-error { background: #fbe7e7; border-color: var(--jit-danger); color: #8a2b2b; }
.alert-info { background: var(--jit-cyan-100); border-color: var(--jit-cyan-500); color: var(--jit-blue-900); }
#toast-container { position: fixed; top: 20px; right: 20px; z-index: 999; display: flex; flex-direction: column; gap: 10px; }
.toast { background: var(--jit-blue-900); color: #fff; padding: 12px 18px; border-radius: 8px; box-shadow: var(--shadow-md); font-size: .88rem; animation: toast-in .2s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ---------- Footer ---------- */
footer { background: var(--jit-blue-900); color: #cfe6f7; padding: 56px 0 20px; margin-top: 60px; }
footer h4 { color: #fff; font-size: 1rem; }
footer a { color: #cfe6f7; }
footer a:hover { color: var(--jit-cyan-300); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 18px; text-align: center; font-size: .82rem; color: #9fc3dc; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Dashboard shell (author/reviewer/editor/admin) ---------- */
/* .dash-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 80vh; } */
/* .dash-sidebar { background: var(--jit-blue-900); color: #dceefb; padding: 24px 14px; } */
.dash-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: calc(100vh - 70px);
}
.dash-sidebar {
    position: sticky;
    top: 70px;              /* Navbar height */
    height: calc(100vh - 70px);
    overflow-y: auto;
    background: var(--jit-blue-900);
    color: #dceefb;
    padding: 24px 14px;
}
.dash-sidebar a { display: block; color: #dceefb; padding: 10px 14px; border-radius: 8px; font-size: .9rem; font-weight: 600; margin-bottom: 4px; }
.dash-sidebar a:hover, .dash-sidebar a.active { background: rgba(255,255,255,.12); color: #fff; }
.dash-main { padding: 32px; }
@media (max-width: 860px) { .dash-shell { grid-template-columns: 1fr; } }

.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 24px; }
.pagination a, .pagination span { padding: 8px 14px; border-radius: 6px; border: 1px solid var(--jit-border); font-size: .85rem; }
.pagination a:hover { background: var(--jit-cyan-100); }
.pagination .current { background: var(--jit-blue-700); color: #fff; border-color: var(--jit-blue-700); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--jit-slate); }