:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary: #0ea5e9;
    --success: #10b981;
    --danger: #ef4444;
    --bg: #f8fafc;
    --surface: rgba(255, 255, 255, 0.9);
    --text-main: #1e293b;
    --text-muted: #64748b;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}
body {
    background: linear-gradient(135deg, #e0e7ff 0%, #bae6fd 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.wizard-container {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 900px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}
.wizard-header {
    padding: 30px 40px;
    background: linear-gradient(to right, var(--primary), var(--primary-light));
    color: white;
    text-align: center;
}
.wizard-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.wizard-header p {
    font-size: 0.95rem;
    opacity: 0.9;
}
.progress-bar {
    display: flex;
    justify-content: space-between;
    padding: 20px 40px;
    background: rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid #e2e8f0;
    position: relative;
}
.progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 40px;
    right: 40px;
    height: 2px;
    background: #cbd5e1;
    z-index: 1;
    transform: translateY(-50%);
}
.step-indicator {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: white;
    border: 2px solid #cbd5e1;
    color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    position: relative;
    z-index: 2;
    transition: all 0.3s;
}
.step-indicator.active {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30, 58, 138, 0.1);
}
.step-indicator.completed {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}
.step-content {
    padding: 40px;
    min-height: 400px;
    display: none;
    animation: fadeIn 0.4s ease;
}
.step-content.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    font-size: 1rem;
    color: var(--text-main);
    background: white;
    transition: all 0.2s;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.oturum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.oturum-card {
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
    background: white;
    position: relative;
    overflow: hidden;
}
.oturum-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}
.oturum-card.selected {
    border-color: var(--primary);
    background: #eff6ff;
}
.oturum-card.selected::before {
    content: '✓';
    position: absolute;
    top: 15px;
    right: 15px;
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}
.oturum-title { font-weight: 700; color: var(--text-main); margin-bottom: 10px; font-size: 1.1rem; }
.oturum-detail { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 6px; }
.oturum-badge { 
    display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; margin-top: 10px;
    background: #dcfce7; color: #166534;
}
.oturum-price {
    position: absolute; bottom: 20px; right: 20px; font-size: 1.2rem; font-weight: 700; color: var(--primary);
}
.wizard-footer {
    padding: 20px 40px;
    background: white;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-prev { background: #f1f5f9; color: var(--text-main); }
.btn-prev:hover { background: #e2e8f0; }
.btn-next { background: var(--primary); color: white; }
.btn-next:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3); }
.btn-next:disabled { background: #cbd5e1; cursor: not-allowed; transform: none; box-shadow: none; }
.loader {
    width: 24px; height: 24px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    display: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
.error-msg {
    color: var(--danger); font-size: 0.85rem; margin-top: 5px; display: none; font-weight: 500;
}