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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1e 100%);
    color: #EAEAEA;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

h1 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #EAF2FF;
    font-weight: 600;
}

.status-display {
    margin-bottom: 20px;
}

.status-text {
    font-size: 14px;
    color: #BBD7FF;
    opacity: 0.8;
}

.counter-display {
    margin-bottom: 40px;
}

.cycle-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.cycle-info .label {
    font-size: 16px;
    color: #BBD7FF;
    opacity: 0.7;
}

.cycle-info .value {
    font-size: 64px;
    font-weight: bold;
    color: #EAF2FF;
    line-height: 1;
}

.phase-display {
    margin-bottom: 50px;
    padding: 30px;
    background: rgba(47, 107, 255, 0.1);
    border-radius: 20px;
    border: 1px solid rgba(47, 107, 255, 0.2);
}

.phase-name {
    font-size: 32px;
    font-weight: 600;
    color: #BBD7FF;
    margin-bottom: 15px;
}

.phase-timer {
    font-size: 48px;
    font-weight: bold;
    color: #EAF2FF;
    line-height: 1;
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn {
    padding: 16px 24px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 52px;
    color: white;
    text-align: center;
}

.btn-primary {
    background: #2F6BFF;
    box-shadow: 0 4px 12px rgba(47, 107, 255, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: #4A7FFF;
    box-shadow: 0 6px 16px rgba(47, 107, 255, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active:not(:disabled) {
    background: #1E5AFF;
    transform: translateY(0);
}

.btn-secondary {
    background: #3A4A6B;
    box-shadow: 0 4px 12px rgba(58, 74, 107, 0.2);
}

.btn-secondary:hover:not(:disabled) {
    background: #4A5A7B;
    box-shadow: 0 6px 16px rgba(58, 74, 107, 0.3);
    transform: translateY(-2px);
}

.btn-secondary:active:not(:disabled) {
    background: #2A3A5B;
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (max-width: 480px) {
    h1 {
        font-size: 22px;
        margin-bottom: 25px;
    }

    .cycle-info .value {
        font-size: 56px;
    }

    .phase-name {
        font-size: 28px;
    }

    .phase-timer {
        font-size: 42px;
    }

    .btn {
        font-size: 16px;
        padding: 14px 20px;
        min-height: 48px;
    }
}