:root {
--primary: #215C5C; /* Dark Blue */
--primary-light: #215c30;
--text-main: #11271a;
--text-muted: #6b8071;
--border: #e5ebe8;
--bg-gray: #f9fbfa;
--green-bg: #d1fae5;
--green-text: #065f46;
}

* { box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: #f3f4f6; display: flex; justify-content: center; padding: 2rem; }

.simulation-container {
background: #ffffff;
width: 100%;
max-width: 900px;
border-radius: 16px;
box-shadow: 0 10px 25px rgba(0,0,0,0.05);
padding: 2.5rem;
}

.title { margin-top: 0; color: var(--text-main); font-size: 1.5rem; }

/* Stepper */
.stepper { display: flex; align-items: center; justify-content: center; margin: 2rem 0; }
.stepper .step { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; width: 100px;}
.stepper .circle {
width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--border);
display: flex; align-items: center; justify-content: center;
font-weight: 600; color: var(--text-muted); background: white; transition: 0.3s;
}
.stepper .label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500;}
.stepper .line { flex: 1; height: 2px; background: var(--border); margin: 0 -20px 20px -20px; }

.stepper .step.active .circle { border-color: var(--primary); color: var(--primary); }
.stepper .step.active .label { color: var(--primary); font-weight: 600; }
.stepper .step.completed .circle { background: var(--primary); color: white; border-color: var(--primary); }

/* Forms */
.form-step { display: none; }
.form-step.active { display: block; animation: fadeIn 0.4s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.input-group { display: flex; flex-direction: column; gap: 0.5rem; }
.input-group label { font-size: 0.9rem; font-weight: 600; color: var(--text-main); }
.input-group input, .input-group select {
padding: 0.75rem; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; outline: none;
}
.input-group input:focus, .input-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.hidden { display: none; }

/* Step 2 Layout */
.step-2-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.left-col { padding-right: 1.5rem; border-right: 1px solid var(--border); }

/* Sliders */
.slider-group h3 { margin: 0; color: var(--text-main); font-size: 1.5rem; }
.slider-labels { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); margin-top: 0.5rem; }

input[type=range] {
-webkit-appearance: none; width: 100%; margin: 10px 0; background: transparent;
}
input[type=range]::-webkit-slider-runnable-track {
width: 100%; height: 6px; cursor: pointer; background: transparent; border-radius: 4px;
}
input[type=range]::-webkit-slider-thumb {
height: 20px; width: 20px; border-radius: 50%; background: white; cursor: pointer;
-webkit-appearance: none; margin-top: -7px; border: 3px solid var(--primary); box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Right Col Results */
.result-box label { color: var(--text-main); font-weight: 600; font-size: 1rem; }
.result-box h2 { margin: 0.5rem 0 0 0; font-size: 2.5rem; color: var(--text-main); }
.payment-row { display: flex; align-items: baseline; gap: 0.5rem; }
.month-txt { color: var(--text-muted); font-size: 1rem; }
.badge { background: var(--green-bg); color: var(--green-text); padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.85rem; font-weight: 600; margin-left: auto; }

.promo-box { display: flex; align-items: center; gap: 1rem; background: var(--bg-gray); padding: 1rem; border-radius: 12px; }
.promo-box .icon { font-size: 1.5rem; color: var(--primary); }
.promo-box p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }

/* Step 3 Results */
.stats-grid { display: flex; gap: 1rem; margin-top: 1rem; }
.stat-card { background: var(--bg-gray); padding: 1.5rem; border-radius: 12px; flex: 1; text-align: center; }
.bank-list { list-style: none; padding: 0; }
.bank-list li { background: white; border: 1px solid var(--border); padding: 1rem; border-radius: 8px; margin-bottom: 0.5rem; display: flex; justify-content: space-between; align-items: center; font-weight: 500;}

/* Buttons */
.actions { display: flex; justify-content: flex-end; gap: 1rem; margin-top: 2.5rem; border-top: 1px solid var(--border); padding-top: 1.5rem; }
.btn { padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; cursor: pointer; border: none; font-size: 1rem; transition: 0.2s;}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #215C5C; }
.btn-secondary { background: white; color: var(--text-main); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-gray); }

.mt-4 { margin-top: 1.5rem; }