/* style.css */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --secondary: #0ea5e9;
    --bg-main: #f8fafc;
    --card-bg: #ffffff;
    --text-title: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --self-cite-bg: #fef3c7;
    --self-cite-text: #b45309;
    --ai-bg: #f0fdf4;
    --ai-border: #bbf7d0;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-title);
    line-height: 1.6;
}

/* Hero Section */
.hero-card {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
    color: white;
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.3);
}

.search-container {
    background: white;
    border-radius: 14px;
    padding: 8px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.search-input {
    border: none;
    font-size: 1.05rem;
    padding-left: 1rem;
}
.search-input:focus {
    box-shadow: none;
    outline: none;
}

/* Kart Tasarımları */
.custom-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.2s ease-in-out;
}
.custom-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 20px -8px rgba(0, 0, 0, 0.08);
}

/* Badge & Rozetler */
.badge-orcid {
    background-color: #a6ce39;
    color: #1e3a1e;
    font-weight: 600;
}
.badge-self {
    background-color: var(--self-cite-bg);
    color: var(--self-cite-text);
    border: 1px solid #fde68a;
    font-weight: 600;
    border-radius: 8px;
}

/* AI Sonuç Kutusu */
.ai-box {
    background: var(--ai-bg);
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    padding: 1rem;
    font-size: 0.92rem;
}

/* Butonlar */
.btn-primary-custom {
    background-color: var(--primary);
    color: white;
    border-radius: 10px;
    font-weight: 600;
    padding: 0.6rem 1.4rem;
    border: none;
}
.btn-primary-custom:hover {
    background-color: var(--primary-hover);
    color: white;
}

/* Arama alanı yalnızca üst kartta mor arka plan kullanır. */
.hero-card {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
    color: #fff;
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.3);
}

.hero-card h1,
.hero-card p {
    color: #fff;
}

/* Sayfa gövdesi ve kayıtlı araştırmacılar alanı açık renk kalır. */
body {
    background-color: var(--bg-main);
    color: var(--text-title);
}

/* Kaynak / platform rozetleri */
.src-badge {
    background-color: color-mix(in srgb, var(--src, #475569) 12%, #fff);
    color: var(--src, #475569);
    border: 1px solid color-mix(in srgb, var(--src, #475569) 35%, #fff);
    font-weight: 600;
    text-decoration: none;
}
a.src-badge:hover { background-color: color-mix(in srgb, var(--src, #475569) 22%, #fff); }

/* Yayın kartları: önce yayın, tıklayınca atıflar */
.work-card:hover { transform: none; }
.work-head { cursor: pointer; background: #f8fafc; }
.work-head:hover { background: #f1f5f9; }
.work-head:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }
.work-chevron { display: inline-block; transition: transform .15s ease; }
.work-card.open .work-chevron { transform: rotate(90deg); }
.work-card.is-new { border-left: 4px solid #dc3545; }
.cite-item.is-new { border-left: 4px solid #dc3545 !important; }