* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, sans-serif;
    background: #ecf0f1;
    color: #2c3e50;
}

.container {
    max-width: 700px;
    margin: auto;
    padding: 20px;
}

.hero {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
}

.card {
    background: white;
    padding: 30px;
    margin: 30px 0;
    border-radius: 8px;
}

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

input[type="text"],
input[type="range"] {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
}

.btn {
    width: 100%;
    padding: 14px;
    background: #2c3e50;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:disabled {
    background: #95a5a6;
}

.locked-plan {
    display: none;
}

.locked-plan.active {
    display: block;
}

.plan-item {
    background: #f4f6f7;
    padding: 15px;
    margin: 10px 0;
    border-left: 4px solid #3498db;
}

footer {
    text-align: center;
    padding: 30px;
    background: #2c3e50;
    color: white;
}

.disclaimer {
    font-size: 0.85rem;
    opacity: 0.7;
}
#timerDisplay {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
}

.finish-btn {
    margin-top: 20px;
    background: #27ae60;
}

.finish-btn:hover {
    background: #219150;
}

.quote {
    margin-top: 25px;
    font-size: 1.1rem;
    font-style: italic;
    text-align: center;
    color: #2c3e50;
}
.reset-btn {
    margin-top: 12px;
    background: #e74c3c;
}

.reset-btn:hover {
    background: #c0392b;
}
 .commit-btn {
    position: relative;
    width: 100%;
    padding: 18px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.commit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.commit-btn:active {
    transform: translateY(1px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.commit-btn:disabled {
    background: #7f8c8d;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-text {
    position: relative;
    z-index: 2;
}

.btn-loader {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
}

.commit-btn.loading .btn-loader {
    transform: translateX(0);
}