/* --- Değişkenler --- */
:root {
    --color-navy: #1E293B;      /* Sidebar Arka Planı */
    --color-navy-dark: #0F172A;
    --color-green: #10B981;     /* Vurgu / Başarı */
    --color-green-dark: #059669;
    --color-bg: #F1F5F9;        /* Ana İçerik Arka Planı */
    --color-white: #FFFFFF;
    --color-text: #334155;      /* Koyu Gri Metin */
    --color-text-light: #64748B;
    --color-border: #E2E8F0;
    --sidebar-width: 260px;
    --header-height: 70px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --font-family: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    overflow: hidden; /* Dashboard stili için scroll'u içerikte yapıyoruz */
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; border-radius: 8px; }

/* --- Layout --- */
.dashboard-wrapper { display: flex; height: 100vh; }

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-navy);
    color: #94A3B8;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.25rem;
    background-color: var(--color-navy-dark);
    gap: 10px;
}

.logo-icon { color: var(--color-green); }
.green-text { color: var(--color-green); }

.side-nav { flex: 1; padding-top: 20px; overflow-y: auto; }
.side-nav ul { display: flex; flex-direction: column; gap: 5px; }
.side-nav li { padding: 0 12px; }
.side-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
}
.side-nav a:hover, .side-nav a.active {
    background-color: rgba(255,255,255,0.1);
    color: var(--color-white);
}
.side-nav a.active { background-color: var(--color-green); }

.side-footer { padding: 20px; border-top: 1px solid rgba(255,255,255,0.1); }
.mail-link { font-size: 0.85rem; color: var(--color-green); font-weight: 600; display: block; text-align: center; }

/* --- Main Content --- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

/* Top Bar */
.top-bar {
    height: var(--header-height);
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
}

.top-bar h2 { font-size: 1.25rem; font-weight: 600; color: var(--color-navy); }

.user-profile { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 500; color: var(--color-text-light); background: var(--color-bg); padding: 5px 12px; border-radius: 20px; }
.status-dot { width: 8px; height: 8px; background-color: var(--color-green); border-radius: 50%; }

/* Scrollable Area */
.content-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

/* --- Dashboard Hero --- */
.dashboard-hero {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
    color: var(--color-white);
    padding: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.hero-text { max-width: 600px; }
.hero-text h1 { font-size: 2rem; margin-bottom: 10px; font-weight: 700; }
.hero-text p { font-size: 1rem; color: #CBD5E1; margin-bottom: 25px; }

.btn { display: inline-block; padding: 10px 24px; border-radius: 6px; font-weight: 600; font-size: 0.9rem; cursor: pointer; border: none; transition: 0.3s; }
.btn-green { background-color: var(--color-green); color: var(--color-white); }
.btn-green:hover { background-color: var(--color-green-dark); }
.btn-navy { background-color: var(--color-navy); color: var(--color-white); }
.btn-navy:hover { background-color: var(--color-navy-dark); }
.full-width { width: 100%; }

.hero-chart { width: 300px; opacity: 0.8; }

/* --- Stats Grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--color-white);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.stat-card.plain { align-items: center; text-align: center; }
.stat-card.plain h3 { font-size: 2.5rem; color: var(--color-green); }

.icon-bg { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 15px; }
.icon-bg.blue { background-color: #DBEAFE; color: #2563EB; }
.icon-bg.green { background-color: #D1FAE5; color: #059669; }
.icon-bg.purple { background-color: #F3E8FF; color: #7C3AED; }

.stat-card h3 { font-size: 1.1rem; margin-bottom: 5px; color: var(--color-navy); }
.stat-card p { font-size: 0.9rem; color: var(--color-text-light); }

/* --- Content Cards (About/Contact/Legal) --- */
.content-card, .contact-info-card, .b2b-form, .legal-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    margin-bottom: 30px;
}

.split-view { display: flex; gap: 30px; align-items: center; margin-top: 20px; }
.split-view .text { flex: 1; }
.split-view .image { flex: 1; }

.contact-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 30px; }
.info-row { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; color: var(--color-text); }
.info-row svg { color: var(--color-green); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 0.9rem; color: var(--color-navy); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px; border: 1px solid var(--color-border); border-radius: 6px; font-family: inherit; background-color: #F8FAFC; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--color-green); background-color: var(--color-white); }

/* --- Reviews --- */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 24px; }
.review-card { background: var(--color-white); padding: 24px; border-radius: 12px; border: 1px solid var(--color-border); }
.user-info { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; }
.avatar { width: 40px; height: 40px; background-color: var(--color-navy); color: var(--color-white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.9rem; }
.user-info h4 { font-size: 1rem; color: var(--color-navy); }
.user-info span { font-size: 0.8rem; color: var(--color-text-light); }
.review-text { font-size: 0.95rem; color: var(--color-text); margin-bottom: 15px; font-style: italic; }
.rating { color: #F59E0B; font-size: 0.9rem; }

/* --- Legal --- */
.legal-card h1 { font-size: 1.5rem; color: var(--color-navy); }
.legal-card h3 { font-size: 1.1rem; color: var(--color-green); margin-top: 25px; margin-bottom: 10px; }
.meta { font-size: 0.85rem; color: var(--color-text-light); }
.legal-card hr { margin: 20px 0; border: 0; border-top: 1px solid var(--color-border); }

/* --- Footer --- */
.dashboard-footer { text-align: center; color: var(--color-text-light); font-size: 0.85rem; padding-top: 20px; border-top: 1px solid var(--color-border); }

/* --- Responsive --- */
@media (max-width: 992px) {
    .sidebar { position: fixed; transform: translateX(-100%); height: 100%; top: 0; left: 0; }
    .sidebar.active { transform: translateX(0); }
    .main-content { margin-left: 0; width: 100%; }
    .mobile-toggle { display: block; }
    .dashboard-hero { flex-direction: column; text-align: center; }
    .hero-chart { display: none; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row, .split-view { grid-template-columns: 1fr; }
}