:root {
    --bg: #0F172A;
    --surface: #111827;
    --card: rgba(255,255,255,0.06);
    --text: #F8FAFC;
    --muted: rgba(248,250,252,0.75);
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --accent: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --border: rgba(255,255,255,0.12);
    --shadow: 0 12px 30px rgba(0,0,0,0.35);
}

.font-system { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
.font-inter { font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
.font-poppins { font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: radial-gradient(circle at 10% 10%, #1e3a8a 0%, var(--bg) 35%, #020617 100%);
    min-height: 100vh;
    line-height: 1.55;
}

a {
    color: inherit;
    text-underline-offset: 3px;
}

.app-navbar {
    background: rgba(15, 23, 42, 0.7);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
    transition: background 0.25s ease;
}

.navbar-brand {
    color: #eedca1;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    font-weight: 800;
}

.hero-wrap {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: linear-gradient(145deg, rgba(37,99,235,0.25), rgba(16,185,129,0.15));
    box-shadow: var(--shadow);
}

.hero-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.16) 1px, transparent 1px);
    background-size: 18px 18px;
    opacity: 0.18;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.panel-surface,
.master-surface,
.public-surface {
    background: rgba(17,24,39,0.85);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.surface-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.surface-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 14px 26px rgba(0,0,0,0.28);
}

.section-title {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.text-muted-soft {
    color: var(--muted) !important;
}

.btn-primary-glow {
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    border: none;
    border-radius: 999px;
    color: #fff;
    box-shadow: 0 10px 24px rgba(37,99,235,0.4);
    padding: 0.7rem 1.25rem;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn-primary-glow:hover,
.btn-primary-glow:focus {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary));
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(37,99,235,0.48);
}

.btn-accent-soft {
    background: rgba(16,185,129,0.18);
    border: 1px solid rgba(16,185,129,0.5);
    border-radius: 999px;
    color: #d1fae5;
    padding: 0.7rem 1.25rem;
    font-weight: 600;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn-accent-soft:hover,
.btn-accent-soft:focus {
    background: rgba(16,185,129,0.24);
    color: #ecfdf5;
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(16,185,129,0.28);
}

.form-control,
.form-select,
.input-group-text {
    border-radius: 12px;
    border-color: var(--border);
}

.form-control:disabled {
    background-color: #198754;
}

.form-control,
.form-select {
    background: rgba(255,255,255,0.04);
    color: var(--text);
}

.form-control:focus,
.form-select:focus {
    color: var(--text);
    background: rgba(255,255,255,0.08);
    border-color: rgba(37,99,235,0.8);
    box-shadow: 0 0 0 0.2rem rgba(37,99,235,0.22);
}

.form-control::placeholder {
    color: rgba(248,250,252,0.5);
}

.input-group-text {
    background: rgba(255,255,255,0.08);
    color: var(--muted);
}

.slug-status-ok {
    color: #86efac;
}

.slug-status-bad {
    color: #fca5a5;
}

.floating-whatsapp {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 1040;
    width: 56px;
    height: 56px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #22c55e, #10b981);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 10px 22px rgba(16,185,129,0.45);
    animation: float-whatsapp 3s ease-in-out infinite;
}

.feature-icon,
.usecase-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.feature-icon {
    background: rgba(37,99,235,0.2);
    color: #bfdbfe;
}

.usecase-icon {
    background: rgba(16,185,129,0.18);
    color: #a7f3d0;
}

.faq-accordion .accordion-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 8px;
    overflow: hidden;
}

.faq-accordion .accordion-button {
    background: transparent;
    color: var(--text);
}

.faq-accordion .accordion-button:not(.collapsed) {
    color: #dbeafe;
    background: rgba(37,99,235,0.15);
}

.faq-accordion .accordion-body {
    color: var(--muted);
}

.panel-shell,
.master-shell {
    background: #030712;
}

.sidebar {
    background: linear-gradient(165deg, #0b1220, #111827);
    border-right: 1px solid var(--border);
    min-height: 100vh;
    position: sticky;
    top: 0;
}

.sidebar .nav-link {
    color: var(--muted);
    border-radius: 10px;
    padding: 0.6rem 0.8rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: rgba(37,99,235,0.2);
    color: #dbeafe;
}

.stat-card h2 {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.badge-durum-beklemede,
.badge-odeme-odenmedi {
    background: rgba(245,158,11,0.25);
    color: #fcd34d;
}

.badge-durum-aktif,
.badge-odeme-odendi {
    background: rgba(16,185,129,0.25);
    color: #86efac;
}

.badge-durum-askida {
    background: rgba(239,68,68,0.24);
    color: #fca5a5;
}

.table-dark-soft {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text);
    --bs-table-border-color: var(--border);
}

.table-dark-soft tbody tr {
    transition: background-color 0.2s ease;
}

.table-dark-soft tbody tr:hover {
    background-color: rgba(255,255,255,0.04);
}

.glass-card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.link-btn {
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.2);
    font-weight: 600;
    transition: transform 0.18s ease, filter 0.18s ease;
}

.link-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.03);
}

.copy-row {
    background: rgba(255,255,255,0.06);
    border: 1px dashed rgba(255,255,255,0.3);
    border-radius: 12px;
}

.app-toast {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
}

#cropperImage {
    max-height: 68vh;
}

.reveal-up {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

*:focus-visible {
    outline: 2px solid rgba(37,99,235,0.75);
    outline-offset: 2px;
}

@keyframes float-whatsapp {
    0% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
    100% { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 991px) {
    .sidebar {
        min-height: auto;
    }

    .hero-wrap {
        border-radius: 16px;
    }
}