/* ============================================================
   Datanet Bilişim — Destek Portalı
   ============================================================ */

:root {
    --brand-dark:    #0f172a;
    --brand-navy:    #1e3a5f;
    --brand-blue:    #2563eb;
    --brand-light:   #eff6ff;
    --text-muted:    #64748b;
    --border-color:  #e2e8f0;
}

/* ------------------------------------------------------------
   Layout
   ------------------------------------------------------------ */
body {
    background: linear-gradient(150deg, #0f172a 0%, #1e3a5f 45%, #1d4ed8 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    padding: 1.5rem 1rem;
}

.portal-wrapper {
    width: 100%;
    max-width: 520px;
}

.portal-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

/* ------------------------------------------------------------
   Header
   ------------------------------------------------------------ */
.portal-header {
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    color: #ffffff;
    text-align: center;
    padding: 2.25rem 1.5rem 2rem;
}

.portal-logo {
    font-size: 3.5rem;
    line-height: 1;
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.25));
}

.portal-header h1 {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.25rem;
}

.portal-header p {
    font-size: 0.9rem;
    opacity: 0.82;
    margin: 0;
}

/* ------------------------------------------------------------
   Body
   ------------------------------------------------------------ */
.portal-body {
    padding: 2rem 2rem 1.5rem;
}

.step-info h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.35rem;
}

.step-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

/* ------------------------------------------------------------
   Form elemanları
   ------------------------------------------------------------ */
.form-label {
    color: #374151;
    font-size: 0.875rem;
}

.form-control {
    border-color: var(--border-color);
    border-radius: 8px;
    padding: 0.6rem 0.875rem;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.input-group-text {
    border-color: var(--border-color);
    border-radius: 8px 0 0 8px;
    background: #f8fafc;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .btn {
    border-radius: 0 8px 8px 0;
}

.btn-primary {
    background: var(--brand-blue);
    border-color: var(--brand-blue);
    font-weight: 600;
    border-radius: 8px;
    transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
}

.btn-primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

/* ------------------------------------------------------------
   Bilgi kutusu
   ------------------------------------------------------------ */
.info-box {
    background: var(--brand-light);
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 0.875rem 1rem;
    font-size: 0.82rem;
    color: #1e40af;
    line-height: 1.5;
}

/* ------------------------------------------------------------
   VKN badge
   ------------------------------------------------------------ */
.badge-vkn {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1d4ed8;
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ------------------------------------------------------------
   Teşekkür sayfası
   ------------------------------------------------------------ */
.success-icon {
    font-size: 5rem;
    color: #16a34a;
    line-height: 1;
}

.ticket-no-box {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    border: 2px solid #86efac;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    display: inline-block;
    width: 100%;
}

.ticket-no-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #16a34a;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.ticket-no {
    font-size: 2rem;
    font-weight: 800;
    color: #15803d;
    letter-spacing: 0.04em;
    font-variant-numeric: tabular-nums;
}

.ticket-no-firma {
    font-size: 0.82rem;
    color: #4ade80;
    margin-top: 0.15rem;
    font-weight: 500;
}

.btn-download {
    background: linear-gradient(135deg, #1e3a5f, #2563eb);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    padding: 0.9rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: transform 0.15s, box-shadow 0.2s;
    text-decoration: none;
    display: block;
}

.btn-download:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.45);
}

.btn-download:active {
    transform: translateY(0);
}

.instructions-box {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    font-size: 0.875rem;
    color: #374151;
    line-height: 1.7;
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.portal-footer {
    background: #f8fafc;
    border-top: 1px solid var(--border-color);
    text-align: center;
    padding: 0.875rem;
    font-size: 0.78rem;
    color: #94a3b8;
}

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 576px) {
    .portal-header {
        padding: 1.75rem 1rem 1.5rem;
    }
    .portal-body {
        padding: 1.5rem 1.25rem 1.25rem;
    }
    .portal-logo {
        font-size: 2.75rem;
    }
    .portal-header h1 {
        font-size: 1.3rem;
    }
    .ticket-no {
        font-size: 1.6rem;
    }
}