.calculator-section {
    padding: 60px 0 90px;
}

.calculator-header {
    max-width: 760px;
    margin-bottom: 40px;
}

.calculator-header h1 {
    margin: 18px 0 12px;
    font-size: clamp(2rem, 5vw, 3rem);
}

.calculator-header p,
.result-note {
    color: var(--text-muted);
}

.back-link {
    color: var(--primary);
    font-weight: 600;
}

.calculator-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    align-items: start;
}

.calculator-card {
    padding: 28px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
}

.calculator-card h2 {
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.input-wrapper {
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.input-wrapper:focus-within {
    border-color: var(--primary);
}

.input-wrapper input {
    width: 100%;
    padding: 12px;
    color: var(--text-color);
    background: transparent;
    border: 0;
    outline: 0;
    font: inherit;
}

.input-prefix,
.input-suffix {
    padding: 0 12px;
    color: var(--text-muted);
}

.calculator-actions {
    display: flex;
    gap: 12px;
    margin-top: 26px;
}

.btn {
    border: 0;
    cursor: pointer;
}

.btn-secondary {
    color: var(--text-color);
    background: transparent;
    border: 1px solid var(--border-color);
}

.result-list {
    display: grid;
    gap: 14px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.result-item span {
    color: var(--text-muted);
}

.result-primary strong {
    color: var(--primary);
    font-size: 1.35rem;
}

.result-note {
    margin-top: 22px;
    font-size: 0.9rem;
}

.form-error {
    min-height: 24px;
    color: #fca5a5;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .calculator-layout {
        grid-template-columns: 1fr;
    }

    .calculator-actions {
        flex-direction: column;
    }

    .calculator-actions .btn {
        width: 100%;
        text-align: center;
    }
}

.status-affordable {
    color: #4ade80;
}

.status-insufficient {
    color: #f87171;
}

.status-warning {
    color: #facc15;
}

/* Trade Timer */
.preset-buttons{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:10px;
    margin-bottom:25px;
}

.preset-btn{
    padding:12px;
    border:none;
    border-radius:8px;
    cursor:pointer;
    background:var(--card-bg);
    color:var(--text-color);
    border:1px solid var(--border-color);
}

.preset-btn:hover{
    border-color:var(--primary);
}

#customMinutes {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    color: var(--text-color);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
}

#customMinutes:focus {
    border-color: var(--primary);
}

.preset-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.status-ready{
    color:#38bdf8;
}

.status-running{
    color:#4ade80;
}

.status-paused{
    color:#facc15;
}

.status-finished{
    color:#f87171;
}

#remainingTime{
    font-size:3rem;
    font-weight:700;
    color:var(--primary);
}

.progress-container{
    width:100%;
    height:12px;
    background:var(--bg-color);
    border-radius:999px;
    overflow:hidden;
}

.progress-bar{
    width:0%;
    height:100%;
    background:var(--primary);
    transition:width .3s ease;
}

.timer-display{
    display:flex;
    justify-content:center;
    align-items:center;

    padding:20px 0 30px;
}

#remainingTime{
    font-size:3.5rem;
    font-weight:700;
    color:var(--primary);
    letter-spacing:2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--card-bg);
    color: var(--text-muted);
    border-color: var(--border-color);
}

.btn:disabled:hover {
    background: var(--card-bg);
    color: var(--text-muted);
    border-color: var(--border-color);
    transform: none;
    box-shadow: none;
}

.timer-progress-section,
.discipline-reminder {
    margin-top: 24px;
}

.timer-progress-section > span,
.discipline-reminder > span {
    display: block;
    margin-bottom: 12px;
    color: var(--text-muted);
}

.progress-container {
    width: 100%;
    height: 12px;
    overflow: hidden;
    background: var(--bg-color);
    border-radius: 999px;
}

.progress-bar {
    width: 0;
    height: 100%;
    background: var(--primary);
    transition: width 0.3s ease, background-color 0.3s ease;
}

#progressText {
    display: block;
    margin-top: 8px;
    text-align: right;
}

.discipline-reminder {
    padding: 18px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.discipline-reminder p {
    margin: 0;
    line-height: 1.7;
}

.timer-warning {
    color: #fb923c !important;
}

.timer-critical {
    color: #f87171 !important;
}

.progress-warning {
    background: #fb923c;
}

.progress-critical {
    background: #f87171;
}

.calculator-actions .btn.btn-success {
    background-color: #16a34a;
    border-color: #16a34a;
    color: #ffffff;
}

.calculator-actions .btn.btn-success:not(:disabled):hover {
    background-color: #15803d;
    border-color: #15803d;
}